{"id":2943,"date":"2026-07-26T04:23:00","date_gmt":"2026-07-26T11:23:00","guid":{"rendered":"https:\/\/www.ultalabtests.com\/blog\/?p=2943"},"modified":"2026-07-21T18:49:08","modified_gmt":"2026-07-22T01:49:08","slug":"hypertension-lab-tests","status":"publish","type":"post","link":"https:\/\/www.ultalabtests.com\/blog\/heart-and-cardiovascular\/high-blood-pressure-hypertension\/hypertension-lab-tests\/","title":{"rendered":"Hypertension Lab Tests: What Blood and Urine Testing Can Reveal After a High Reading"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A blood pressure cuff detects elevated pressure inside your arteries. <strong>Hypertension lab tests serve a different purpose:<\/strong> they may help reveal whether high blood pressure is affecting your kidneys, whether diabetes or abnormal cholesterol is increasing your cardiovascular risk, whether medications are changing your electrolytes, and whether an underlying kidney or hormonal condition may be contributing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">High blood pressure is often silent. You can feel well while pressure gradually affects the heart, brain, blood vessels, kidneys, and eyes. That is why accurate blood pressure measurement and focused laboratory testing are complementary rather than interchangeable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ulta Lab Tests provides access to many relevant blood and urine tests that patients can order online where available. Laboratory testing is informational, however, and does not replace an examination, diagnosis, treatment plan, medication review, or professional medical advice.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Direct answer:<\/strong> A blood test cannot diagnose hypertension. Blood and urine testing may help identify associated kidney damage, cardiometabolic risk, electrolyte abnormalities, medication effects, and selected secondary causes after repeated blood pressure measurements find a problem.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/i0.wp.com\/www.ultalabtests.com\/blog\/wp-content\/uploads\/2026\/07\/hypertension-lab-tests-high-blood-pressure-square-Large.jpeg?resize=1024%2C1024&#038;quality=100&#038;ssl=1\" alt=\"Hypertension lab tests graphic showing a blood pressure check with kidney, heart, electrolyte, hormone, and blood vial icons.\" class=\"wp-image-2946\" srcset=\"https:\/\/i0.wp.com\/www.ultalabtests.com\/blog\/wp-content\/uploads\/2026\/07\/hypertension-lab-tests-high-blood-pressure-square-Large.jpeg?resize=1024%2C1024&amp;quality=100&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.ultalabtests.com\/blog\/wp-content\/uploads\/2026\/07\/hypertension-lab-tests-high-blood-pressure-square-Large.jpeg?resize=300%2C300&amp;quality=100&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.ultalabtests.com\/blog\/wp-content\/uploads\/2026\/07\/hypertension-lab-tests-high-blood-pressure-square-Large.jpeg?resize=150%2C150&amp;quality=100&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.ultalabtests.com\/blog\/wp-content\/uploads\/2026\/07\/hypertension-lab-tests-high-blood-pressure-square-Large.jpeg?resize=768%2C768&amp;quality=100&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.ultalabtests.com\/blog\/wp-content\/uploads\/2026\/07\/hypertension-lab-tests-high-blood-pressure-square-Large.jpeg?resize=600%2C600&amp;quality=100&amp;ssl=1 600w, https:\/\/i0.wp.com\/www.ultalabtests.com\/blog\/wp-content\/uploads\/2026\/07\/hypertension-lab-tests-high-blood-pressure-square-Large.jpeg?w=1254&amp;quality=100&amp;ssl=1 1254w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">LA high blood pressure reading is only the first clue. Lab testing may provide information about kidney health, heart risk, electrolytes, and hormonal contributors.<\/figcaption><\/figure>\n\n\n\n<h2 id=\"h-key-takeaways\" class=\"wp-block-heading\">Key Takeaways<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hypertension is identified through accurate, repeated blood pressure measurements\u2014not through blood work.<\/li>\n\n\n\n<li>Initial laboratory evaluation may include a <a href=\"https:\/\/www.ultalabtests.com\/test\/complete-blood-count-with-differential-and-platelets-cbc-test\">CBC<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/comprehensive-metabolic-panel-test-cmp\">CMP<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine and eGFR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">A1C<\/a> or <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">fasting glucose<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/lipid-panel-test\">Lipid Panel<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/tsh-test\">TSH<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">urinalysis<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">urine albumin-to-creatinine ratio<\/a>.<\/li>\n\n\n\n<li>The 2025 U.S. hypertension guideline added <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> to the recommended initial evaluation for people with high blood pressure.<\/li>\n\n\n\n<li>Kidney disease can cause hypertension, result from hypertension, or both.<\/li>\n\n\n\n<li>A normal <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a> result does not rule out primary aldosteronism, a hormonal cause of hypertension.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-and-plasma-renin-activity-ratio-test\">Aldosterone and renin<\/a> results are highly sensitive to medications, <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a> status, <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> intake, posture, timing, and laboratory methods.<\/li>\n\n\n\n<li>Abnormal results should usually be interpreted as a pattern and, when appropriate, confirmed with repeat testing.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-what-is-hypertension\" class=\"wp-block-heading\">What Is Hypertension?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hypertension means that blood is repeatedly pushing against artery walls at a pressure above the recommended range. It can develop through a combination of age, genetics, kidney function, body weight, dietary patterns, physical activity, alcohol use, sleep quality, medications, and hormonal factors.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The 2025 AHA\/ACC guideline uses the following adult blood pressure categories:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-background has-fixed-layout\" style=\"background:linear-gradient(135deg,rgb(252,185,0) 59%,rgb(255,105,0) 100%)\"><thead><tr><th>Category<\/th><th>Systolic pressure<\/th><th>Diastolic pressure<\/th><\/tr><\/thead><tbody><tr><td><strong>Normal<\/strong><\/td><td>Below 120 mm Hg<\/td><td>And below 80 mm Hg<\/td><\/tr><tr><td><strong>Elevated<\/strong><\/td><td>120\u2013129 mm Hg<\/td><td>And below 80 mm Hg<\/td><\/tr><tr><td><strong>Stage 1 hypertension<\/strong><\/td><td>130\u2013139 mm Hg<\/td><td>Or 80\u201389 mm Hg<\/td><\/tr><tr><td><strong>Stage 2 hypertension<\/strong><\/td><td>140 mm Hg or higher<\/td><td>Or 90 mm Hg or higher<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The guideline\u2019s overarching treatment goal is below 130\/80 mm Hg for most adults, with individualized considerations for pregnancy, frailty, institutional care, and limited life expectancy. See the <a href=\"https:\/\/professional.heart.org\/en\/science-news\/2025-high-blood-pressure-guideline\/top-things-to-know\" rel=\"noreferrer noopener\" target=\"_blank\">American Heart Association\u2019s guideline summary<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One elevated office measurement is not usually enough to establish sustained hypertension. The U.S. Preventive Services Task Force recommends confirming elevated office readings with measurements outside the clinical setting before treatment begins, using a validated upper-arm home monitor or ambulatory blood pressure monitoring when appropriate. This helps identify sustained, white-coat, or masked hypertension. See the <a href=\"https:\/\/www.uspreventiveservicestaskforce.org\/uspstf\/recommendation\/hypertension-in-adults-screening\" rel=\"noreferrer noopener\" target=\"_blank\">USPSTF hypertension screening recommendation<\/a>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Direct answer:<\/strong> Hypertension is persistent elevation of blood pressure. Symptoms cannot reliably confirm or exclude it, and laboratory results may be normal even when blood pressure remains too high.<\/p>\n<\/blockquote>\n\n\n\n<h2 id=\"h-why-hypertension-matters-for-your-health\" class=\"wp-block-heading\">Why Hypertension Matters for Your Health<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">High blood pressure increases stress on artery walls and makes the heart work harder. Over time, it is associated with coronary artery disease, heart failure, atrial fibrillation, stroke, cognitive decline, chronic kidney disease, and other cardiovascular complications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Laboratory testing helps connect the blood pressure reading with the larger health pattern. For example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">Creatinine<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">urinalysis<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> may reveal kidney stress or damage.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">A1C<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a>, triglycerides, LDL cholesterol, and <a href=\"https:\/\/www.ultalabtests.com\/test\/apolipoprotein-b-test\">ApoB<\/a> may identify additional cardiometabolic risk.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">Potassium<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a>, and kidney function help assess medication safety.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/tsh-and-free-t4-test\">TSH and Free T4<\/a> may identify thyroid dysfunction when symptoms support testing.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-and-plasma-renin-activity-ratio-test\">Aldosterone and renin<\/a> may help screen for primary aldosteronism.<\/li>\n\n\n\n<li>Repeat results may show whether an abnormality is persistent, improving, or worsening.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This broader view matters because a lower blood pressure reading does not necessarily mean the entire cardiovascular risk pattern has improved. <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">Glucose<\/a>, cholesterol, kidney filtration, or urine albumin may still require attention.<\/p>\n\n\n\n<h2 id=\"h-common-symptoms-risk-factors-and-warning-signs\" class=\"wp-block-heading\">Common Symptoms, Risk Factors, and Warning Signs<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Most people with hypertension have no specific symptoms. Headache, fatigue, dizziness, or palpitations can occur for many reasons and should not be used to determine whether blood pressure is high.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-light-background-color has-background has-fixed-layout\"><thead><tr><th>Symptom or risk factor<\/th><th>What it may suggest<\/th><th>Related tests or evaluation<\/th><\/tr><\/thead><tbody><tr><td>Repeated high home or office readings<\/td><td>Sustained hypertension, white-coat hypertension, or masked hypertension<\/td><td>Validated home monitoring or 24-hour ambulatory monitoring; baseline blood and urine tests<\/td><\/tr><tr><td>Diabetes, abdominal weight gain, or family history of diabetes<\/td><td>Increased cardiometabolic and kidney risk<\/td><td><a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">A1C<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">fasting glucose<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/lipid-panel-test\">Lipid Panel<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/comprehensive-metabolic-panel-test-cmp\">CMP<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a><\/td><\/tr><tr><td>Foamy urine, blood in urine, swelling, or declining kidney function<\/td><td>Possible albuminuria, urinary abnormality, or kidney disease<\/td><td><a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">Creatinine<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">urinalysis<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/comprehensive-metabolic-panel-test-cmp\">CMP<\/a><\/td><\/tr><tr><td>Low <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>, muscle cramps, excessive thirst, or difficult-to-control pressure<\/td><td>Medication effect, kidney disorder, or possible <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-test\">aldosterone<\/a> excess<\/td><td><a href=\"https:\/\/www.ultalabtests.com\/test\/comprehensive-metabolic-panel-test-cmp\">CMP<\/a> or <a href=\"https:\/\/www.ultalabtests.com\/test\/basic-metabolic-panel-test\">BMP<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-test\">aldosterone<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/plasma-renin-activity-lc-ms-ms\">renin<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-and-plasma-renin-activity-ratio-test\">aldosterone-to-renin ratio<\/a><\/td><\/tr><tr><td>Palpitations, tremor, heat or cold intolerance, constipation, or unexplained weight change<\/td><td>Possible thyroid dysfunction<\/td><td><a href=\"https:\/\/www.ultalabtests.com\/test\/tsh-test\">TSH<\/a> followed by <a href=\"https:\/\/www.ultalabtests.com\/test\/t4-free\">Free T4<\/a> when indicated<\/td><\/tr><tr><td>Loud snoring, witnessed breathing pauses, daytime sleepiness, or resistant hypertension<\/td><td>Possible obstructive sleep apnea<\/td><td>Clinician-directed sleep study; labs assess related metabolic risk but cannot diagnose sleep apnea<\/td><\/tr><tr><td>Episodic severe pressure with pounding headache, sweating, tremor, or palpitations<\/td><td>A rare adrenal cause may need exclusion<\/td><td>Clinician-directed <a href=\"https:\/\/www.ultalabtests.com\/test\/metanephrines-fractionated-free-plasma-test\">plasma metanephrines<\/a> or <a href=\"https:\/\/www.ultalabtests.com\/test\/metanephrines-fractionated-24-hour-urine-test\">24-hour urine metanephrines<\/a><\/td><\/tr><tr><td>Rashes, joint symptoms, edema, blood or protein in urine<\/td><td>Possible inflammatory or autoimmune kidney involvement<\/td><td><a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">Urinalysis<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine<\/a>\/<a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a>; <a href=\"https:\/\/www.ultalabtests.com\/test\/ana-screen-ifa-with-reflex-to-titer-and-pattern\">ANA<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/dna-ds-antibody-test\">anti-dsDNA<\/a>, or <a href=\"https:\/\/www.ultalabtests.com\/test\/complement-component-c3c-and-c4c-test\">complement tests<\/a> only when indicated<\/td><\/tr><tr><td>Pregnancy or the postpartum period with abnormal readings<\/td><td>Possible pregnancy-related hypertension or preeclampsia<\/td><td>Prompt obstetric or emergency assessment; clinician-directed blood and urine testing<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"h-safety-note\" class=\"wp-block-heading\">Safety Note<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A blood pressure reading above 180\/120 mm Hg should be repeated after at least one minute of rest. Call 911 when a repeated reading remains above 180\/120 and is accompanied by chest pain, shortness of breath, back pain, weakness, numbness, vision changes, difficulty speaking, or other new and concerning symptoms. See the <a href=\"https:\/\/www.heart.org\/en\/health-topics\/high-blood-pressure\/understanding-blood-pressure-readings\/when-to-call-911-for-high-blood-pressure\" rel=\"noreferrer noopener\" target=\"_blank\">American Heart Association\u2019s emergency guidance<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Abnormal blood pressure during pregnancy or after delivery deserves prompt clinician-directed assessment rather than routine self-testing alone.<\/p>\n\n\n\n<h2 id=\"h-the-role-of-hypertension-lab-tests\" class=\"wp-block-heading\">The Role of Hypertension Lab Tests<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Laboratory testing may answer five important questions:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Are the kidneys being affected?<\/strong><br><a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">Creatinine<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">urinalysis<\/a> provide different\u2014but complementary\u2014information about filtration and kidney damage.<\/li>\n\n\n\n<li><strong>Is broader cardiovascular risk elevated?<\/strong><br><a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">A1C<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a>, lipids, <a href=\"https:\/\/www.ultalabtests.com\/test\/apolipoprotein-b-test\">ApoB<\/a>, kidney markers, smoking status, and blood pressure can contribute to a more complete cardiovascular risk assessment.<\/li>\n\n\n\n<li><strong>Could another condition be contributing?<\/strong><br>Kidney disease, thyroid dysfunction, primary aldosteronism, medication effects, and less common endocrine disorders can influence blood pressure.<\/li>\n\n\n\n<li><strong>Are medications affecting safety markers?<\/strong><br>ACE inhibitors, angiotensin receptor blockers, diuretics, mineralocorticoid receptor antagonists, and other medications may alter <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a>, or kidney function.<\/li>\n\n\n\n<li><strong>Is the health pattern improving?<\/strong><br>Trends in <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">A1C<\/a>, lipids, and home blood pressure averages may be more useful than one isolated result.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Laboratory testing cannot determine whether a person has hypertension, diagnose sleep apnea, show daily dietary <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> intake from a serum <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> result, or independently select the correct medication or treatment goal.<\/p>\n\n\n\n<h2 id=\"h-when-to-consider-testing\" class=\"wp-block-heading\">When to Consider Testing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A focused hypertension laboratory evaluation may be worth discussing when:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Repeated home or office measurements remain elevated.<\/li>\n\n\n\n<li>Stage 2 or resistant hypertension is present.<\/li>\n\n\n\n<li>Blood pressure rises abruptly or becomes harder to control.<\/li>\n\n\n\n<li>Diabetes, high cholesterol, chronic kidney disease, obesity, or cardiovascular disease is present.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">Potassium<\/a> or <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> is abnormal.<\/li>\n\n\n\n<li>A new blood pressure medicine is started or its dose is changed.<\/li>\n\n\n\n<li>Urine appears foamy or bloody, swelling develops, or kidney function declines.<\/li>\n\n\n\n<li>Symptoms suggest thyroid dysfunction or a hormonal cause.<\/li>\n\n\n\n<li>A baseline is needed before lifestyle or clinician-directed treatment changes.<\/li>\n\n\n\n<li>Previous kidney, <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a>, lipid, thyroid, or electrolyte results were abnormal.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Not everyone needs every available hormone, antibody, inflammatory, or adrenal test. The most useful tests are those selected to answer a defined clinical question.<\/p>\n\n\n\n<h2 id=\"h-related-hypertension-lab-tests-and-biomarkers\" class=\"wp-block-heading\">Related Hypertension Lab Tests and Biomarkers<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The following tests are commonly considered in a focused evaluation. Their relevance depends on the person\u2019s blood pressure pattern, medical history, medications, symptoms, and prior results.<\/p>\n\n\n\n<h3 id=\"h-foundational-tests\" class=\"wp-block-heading\">Foundational Tests<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-light-background-color has-background has-fixed-layout\"><thead><tr><th>Test or biomarker<\/th><th>What it measures<\/th><th>Why it may matter<\/th><th>What high or low results may suggest<\/th><th>Important limitations<\/th><\/tr><\/thead><tbody><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/complete-blood-count-with-differential-and-platelets-cbc-test\">CBC with Differential and Platelets<\/a><\/strong><\/td><td>Red cells, white cells, hemoglobin, hematocrit, and platelets<\/td><td>May identify anemia or another blood-cell issue contributing to fatigue or reduced exercise capacity<\/td><td>Low hemoglobin may indicate anemia; other abnormalities have many possible causes<\/td><td>Does not diagnose hypertension or identify most secondary causes<\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/comprehensive-metabolic-panel-test-cmp\">Comprehensive Metabolic Panel<\/a><\/strong><\/td><td><a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">Glucose<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine<\/a>, electrolytes, <a href=\"https:\/\/www.ultalabtests.com\/test\/calcium\">calcium<\/a>, liver-related markers, and proteins<\/td><td>Provides kidney, electrolyte, <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a>, liver, and medication-safety context<\/td><td>High <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine<\/a>, abnormal <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>, or high <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a> may require follow-up<\/td><td>One result does not establish chronic disease; serum <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> does not measure dietary salt intake<\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">Creatinine and eGFR<\/a><\/strong><\/td><td><a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">Creatinine<\/a> is a waste product; <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a> estimates kidney filtration<\/td><td>Hypertension may cause or result from impaired kidney function<\/td><td>Rising <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine<\/a> or falling <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a> may suggest reduced filtration<\/td><td>Muscle mass, age, diet, hydration, acute illness, and medications may affect results<\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">Urine albumin-to-creatinine ratio<\/a><\/strong><\/td><td>Compares urine albumin with urine <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine<\/a><\/td><td>Detects albumin leakage and may reveal kidney damage even when <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a> remains relatively preserved<\/td><td>Higher <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> suggests greater albuminuria and kidney or cardiovascular risk<\/td><td>Exercise, fever, infection, bleeding, dehydration, acute illness, or heart-failure exacerbation may temporarily elevate it<\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">Urinalysis Complete<\/a><\/strong><\/td><td>Urine protein, blood, <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a>, cells, and other physical or chemical findings<\/td><td>May uncover urinary abnormalities that justify kidney or infection evaluation<\/td><td>Blood, protein, <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a>, or abnormal cells may require additional testing<\/td><td>A dipstick <a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">urinalysis<\/a> is not a substitute for quantitative <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a><\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">Hemoglobin A1C<\/a> or <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">fasting glucose<\/a><\/strong><\/td><td><a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">A1C<\/a> estimates average <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a> exposure over roughly two to three months; <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a> is a current measurement<\/td><td>Diabetes and hypertension frequently occur together and increase kidney and cardiovascular risk<\/td><td>Higher results may indicate impaired <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a> regulation<\/td><td>Fasting requirements differ; anemia, hemoglobin variants, pregnancy, or recent blood loss may affect <a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">A1C<\/a><\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/lipid-panel-test\">Lipid Panel<\/a><\/strong><\/td><td>Total cholesterol, LDL cholesterol, HDL cholesterol, and triglycerides<\/td><td>Helps assess atherosclerotic cardiovascular risk alongside blood pressure<\/td><td>Higher LDL or triglycerides and lower HDL may increase risk depending on the overall pattern<\/td><td>Results must be interpreted with age, medical history, medications, and calculated risk<\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/apolipoprotein-b-test\">Apolipoprotein B<\/a><\/strong><\/td><td>Estimates the number of atherogenic lipoprotein particles<\/td><td>May add risk information when triglycerides are high or lipid results are discordant<\/td><td>Higher <a href=\"https:\/\/www.ultalabtests.com\/test\/apolipoprotein-b-test\">ApoB<\/a> generally indicates more atherogenic particles<\/td><td>It is not necessary for every person with hypertension<\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/tsh-and-free-t4-test\">TSH with Free T4<\/a> when indicated<\/strong><\/td><td>Evaluates thyroid signaling and circulating free thyroxine<\/td><td>Thyroid dysfunction may affect heart rate, cholesterol, body weight, and blood pressure<\/td><td>High or low <a href=\"https:\/\/www.ultalabtests.com\/test\/tsh-test\">TSH<\/a> must be interpreted with <a href=\"https:\/\/www.ultalabtests.com\/test\/t4-free\">Free T4<\/a> and clinical context<\/td><td>Pregnancy, acute illness, medications, supplements such as biotin, and laboratory methods may affect results<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"h-advanced-and-symptom-directed-tests\" class=\"wp-block-heading\">Advanced and Symptom-Directed Tests<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-light-background-color has-background has-fixed-layout\"><thead><tr><th>Test<\/th><th>Why it may be considered<\/th><th>General result pattern<\/th><th>Important limitations<\/th><\/tr><\/thead><tbody><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-test\">Aldosterone<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/plasma-renin-activity-lc-ms-ms\">renin<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-and-plasma-renin-activity-ratio-test\">aldosterone-to-renin ratio<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a><\/strong><\/td><td>Screens for primary aldosteronism, especially when hypertension is resistant, stage 2, associated with sleep apnea, or accompanied by abnormal <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a><\/td><td>Inappropriately high <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-test\">aldosterone<\/a> with suppressed <a href=\"https:\/\/www.ultalabtests.com\/test\/plasma-renin-activity-lc-ms-ms\">renin<\/a> and an elevated ratio may be a positive screening pattern<\/td><td>Medication classes, dietary <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>, posture, collection time, assay method, kidney function, and other conditions can substantially alter results<\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/magnesium\">Magnesium<\/a> and <a href=\"https:\/\/www.ultalabtests.com\/test\/calcium\">calcium<\/a><\/strong><\/td><td>May add context when cramps, arrhythmias, kidney concerns, diuretic use, or other electrolyte abnormalities are present<\/td><td>High or low results may reflect medication, kidney, gastrointestinal, parathyroid, or nutritional factors<\/td><td>Neither test routinely identifies the cause of uncomplicated hypertension<\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/metanephrines-fractionated-free-plasma-test\">Plasma metanephrines<\/a> or <a href=\"https:\/\/www.ultalabtests.com\/test\/metanephrines-fractionated-24-hour-urine-test\">24-hour urine metanephrines<\/a><\/strong><\/td><td>May be appropriate for episodic hypertension with headaches, sweating, tremor, or palpitations<\/td><td>Elevated results require careful confirmation and specialist evaluation<\/td><td>Stress, medicines, collection conditions, and several other factors may produce false-positive results<\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/cortisol-total\">Cortisol Total Test<\/a><\/strong><\/td><td>Reserved for a convincing pattern such as unusual bruising, purple stretch marks, muscle weakness, or other features of <a href=\"https:\/\/www.ultalabtests.com\/test\/cortisol-total\">cortisol<\/a> excess<\/td><td>An abnormal screening pattern may prompt endocrinology evaluation<\/td><td>Random <a href=\"https:\/\/www.ultalabtests.com\/test\/cortisol-total\">cortisol testing<\/a> is generally not an appropriate wellness screen<\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.ultalabtests.com\/test\/ana-screen-ifa-with-reflex-to-titer-and-pattern\">ANA<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/dna-ds-antibody-test\">anti-dsDNA<\/a>, or <a href=\"https:\/\/www.ultalabtests.com\/test\/complement-component-c3c-and-c4c-test\">complement tests<\/a><\/strong><\/td><td>May be considered when abnormal urine findings occur with rashes, joint symptoms, swelling, or systemic inflammation<\/td><td>Positive or abnormal results require interpretation with symptoms and other findings<\/td><td>Broad autoimmune screening is not routine for uncomplicated hypertension<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"h-why-uacr-has-become-especially-important\" class=\"wp-block-heading\">Why <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> Has Become Especially Important<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The 2025 hypertension guideline changed <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">urine albumin-to-creatinine ratio<\/a> from an optional test to part of the recommended initial evaluation for people with high blood pressure. <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> may detect albumin leakage even when <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine and eGFR<\/a> appear relatively normal. See the <a href=\"https:\/\/www.acc.org\/latest-in-cardiology\/journal-scans\/2025\/08\/14\/15\/36\/new-acc-aha-guideline-addresses-prevention-detection-evaluation-and-management-of-hbp\" rel=\"noreferrer noopener\" target=\"_blank\">American College of Cardiology guideline overview<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The National Kidney Foundation generally describes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Below 30 mg\/g:<\/strong> normal or at goal.<\/li>\n\n\n\n<li><strong>30\u2013299 mg\/g:<\/strong> moderately increased albuminuria.<\/li>\n\n\n\n<li><strong>300 mg\/g or higher:<\/strong> severely increased albuminuria.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A single abnormal <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> does not automatically establish chronic kidney disease. The result often needs to be repeated because intense exercise, infection, urinary bleeding, fever, dehydration, marked changes in blood pressure or <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a>, and acute illness may temporarily elevate urine albumin. See the <a href=\"https:\/\/www.kidney.org\/kidney-topics\/urine-albumin-creatinine-ratio-uacr\" rel=\"noreferrer noopener\" target=\"_blank\">National Kidney Foundation\u2019s UACR guidance<\/a>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Direct answer:<\/strong> <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> can reveal albumin leakage from the kidneys before a major change appears in <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a>. Because temporary factors can elevate it, one abnormal result should generally be confirmed.<\/p>\n<\/blockquote>\n\n\n\n<h2 id=\"h-should-aldosterone-and-renin-be-tested\" class=\"wp-block-heading\">Should <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-and-plasma-renin-activity-ratio-test\">Aldosterone and Renin<\/a> Be Tested?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Primary aldosteronism occurs when one or both adrenal glands produce too much <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-test\">aldosterone<\/a>. Excess <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-test\">aldosterone<\/a> promotes <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> retention, blood-volume expansion, high blood pressure, and\u2014in some people\u2014low <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The 2025 Endocrine Society guideline conditionally suggests screening all individuals with hypertension using <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-test\">aldosterone<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/plasma-renin-activity-lc-ms-ms\">renin<\/a>, an <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-and-plasma-renin-activity-ratio-test\">aldosterone-to-renin ratio<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a> to support interpretation. The recommendation is conditional because feasibility, assay performance, false-positive results, resources, and collection conditions matter. See the <a href=\"https:\/\/www.endocrine.org\/clinical-practice-guidelines\/primary-aldosteronism-2\" rel=\"noreferrer noopener\" target=\"_blank\">Endocrine Society primary aldosteronism guideline<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The 2025 AHA\/ACC guideline uses a more targeted approach. It recommends screening in resistant hypertension and broadens consideration to groups including adults with stage 2 hypertension and obstructive sleep apnea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Importantly, many people with primary aldosteronism do not have obvious low <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>. A normal <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a> result therefore does not rule it out.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Patients should not stop diuretics, ACE inhibitors, ARBs, beta blockers, mineralocorticoid receptor antagonists, or other blood pressure medicines independently before testing. Medication management and result interpretation should be coordinated with a qualified clinician.<\/p>\n\n\n\n<h2 id=\"h-recommended-testing-approach\" class=\"wp-block-heading\">Recommended Testing Approach<\/h2>\n\n\n\n<h3 id=\"h-1-essential-or-foundational-testing\" class=\"wp-block-heading\">1. Essential or Foundational Testing<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For confirmed or repeatedly elevated blood pressure, a practical baseline may include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/complete-blood-count-with-differential-and-platelets-cbc-test\">CBC with Differential and Platelets<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/comprehensive-metabolic-panel-test-cmp\">CMP<\/a> or <a href=\"https:\/\/www.ultalabtests.com\/test\/basic-metabolic-panel-test\">BMP<\/a> with electrolytes<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">Creatinine and eGFR<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">Urine albumin-to-creatinine ratio<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">Urinalysis Complete<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">Hemoglobin A1C<\/a> or <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">fasting glucose<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/lipid-panel-test\">Lipid Panel<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/tsh-test\">TSH<\/a>, with <a href=\"https:\/\/www.ultalabtests.com\/test\/t4-free\">Free T4<\/a> when indicated<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These tests assess common associated risks and provide a safety baseline. They do not establish the cause of every case of hypertension.<\/p>\n\n\n\n<h3 id=\"h-2-advanced-testing\" class=\"wp-block-heading\">2. Advanced Testing<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-test\">Aldosterone<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/plasma-renin-activity-lc-ms-ms\">renin<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-and-plasma-renin-activity-ratio-test\">aldosterone-to-renin ratio<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a> may be discussed when:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hypertension remains uncontrolled despite multiple medications.<\/li>\n\n\n\n<li>Stage 2 hypertension is present.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">Potassium<\/a> is low or repeatedly abnormal.<\/li>\n\n\n\n<li>Hypertension developed relatively early.<\/li>\n\n\n\n<li>Obstructive sleep apnea is present.<\/li>\n\n\n\n<li>A family history or clinical pattern raises concern for primary aldosteronism.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The Endocrine Society\u2019s broader screening suggestion should be balanced with test availability, medication interference, collection requirements, and the likelihood that abnormal results can receive appropriate follow-up.<\/p>\n\n\n\n<h3 id=\"h-3-comprehensive-or-symptom-directed-testing\" class=\"wp-block-heading\">3. Comprehensive or Symptom-Directed Testing<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Additional testing should follow the clinical pattern rather than be ordered as an indiscriminate panel. Examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/metanephrines-fractionated-free-plasma-test\">Plasma metanephrines<\/a> or <a href=\"https:\/\/www.ultalabtests.com\/test\/metanephrines-fractionated-24-hour-urine-test\">24-hour urine metanephrines<\/a> for episodic hypertension with a convincing catecholamine-related symptom pattern.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/cortisol-total\">Cortisol testing<\/a> for features strongly suggestive of <a href=\"https:\/\/www.ultalabtests.com\/test\/cortisol-total\">cortisol<\/a> excess.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/ana-screen-ifa-with-reflex-to-titer-and-pattern\">ANA<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/dna-ds-antibody-test\">anti-dsDNA<\/a>, or <a href=\"https:\/\/www.ultalabtests.com\/test\/complement-component-c3c-and-c4c-test\">complement testing<\/a> when abnormal urine findings accompany inflammatory or systemic symptoms.<\/li>\n\n\n\n<li>Kidney imaging when blood pressure rises abruptly, kidney function changes unexpectedly, or renovascular disease is suspected.<\/li>\n\n\n\n<li>A sleep study for snoring, witnessed apnea, daytime sleepiness, or resistant hypertension.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Blood testing cannot diagnose obstructive sleep apnea, and broad hormone or autoimmune panels are rarely the best first step.<\/p>\n\n\n\n<h3 id=\"h-4-follow-up-and-monitoring\" class=\"wp-block-heading\">4. Follow-Up and Monitoring<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Retesting may include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">Creatinine<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a> after selected medication starts or dose changes.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> to determine whether albuminuria is persistent or improving.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">A1C<\/a> or <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">fasting glucose<\/a> after metabolic, weight, or medication changes.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/lipid-panel-test\">Lipid Panel<\/a> and <a href=\"https:\/\/www.ultalabtests.com\/test\/apolipoprotein-b-test\">ApoB<\/a> after dietary or lipid-lowering interventions.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/tsh-and-free-t4-test\">TSH and Free T4<\/a> when thyroid dysfunction is identified.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-test\">Aldosterone<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/plasma-renin-activity-lc-ms-ms\">renin<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a> during clinician-managed care for primary aldosteronism.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The schedule should be individualized. Newly abnormal or changing results may require closer follow-up than stable findings.<\/p>\n\n\n\n<h2 id=\"h-how-to-understand-your-results\" class=\"wp-block-heading\">How to Understand Your Results<\/h2>\n\n\n\n<h3 id=\"h-use-the-laboratory-s-reference-range\" class=\"wp-block-heading\">Use the Laboratory\u2019s Reference Range<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Reference ranges can vary with the laboratory, assay, specimen type, units, age, sex, and pregnancy status. Compare each result with the range printed on that specific report.<\/p>\n\n\n\n<h3 id=\"h-be-cautious-with-optimal-ranges\" class=\"wp-block-heading\">Be Cautious With \u201cOptimal\u201d Ranges<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">There is no single universally accepted \u201coptimal\u201d range for most hypertension-related biomarkers. Clinical interpretation should prioritize validated reference intervals, guideline thresholds, personal risk factors, and trends rather than unsupported functional or wellness cutoffs.<\/p>\n\n\n\n<h3 id=\"h-review-patterns-rather-than-isolated-numbers\" class=\"wp-block-heading\">Review Patterns Rather Than Isolated Numbers<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">Creatinine and eGFR<\/a> should be reviewed with <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> and <a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">urinalysis<\/a>. <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">Potassium<\/a> should be interpreted with kidney function and medications. <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-test\">Aldosterone<\/a> should be reviewed with <a href=\"https:\/\/www.ultalabtests.com\/test\/plasma-renin-activity-lc-ms-ms\">renin<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>, posture, collection timing, and assay-specific thresholds.<\/p>\n\n\n\n<h3 id=\"h-consider-temporary-influences\" class=\"wp-block-heading\">Consider Temporary Influences<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hydration, fasting, recent exercise, acute illness, infection, supplements, pregnancy, menstrual or urinary bleeding, and medication use can change results. Intense exercise may temporarily increase <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a>.<\/p>\n\n\n\n<h3 id=\"h-remember-what-normal-results-cannot-exclude\" class=\"wp-block-heading\">Remember What Normal Results Cannot Exclude<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Normal kidney, <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a>, lipid, thyroid, and electrolyte results do not rule out hypertension. Normal <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine<\/a> does not exclude albuminuria, and normal <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a> does not exclude primary aldosteronism.<\/p>\n\n\n\n<h3 id=\"h-repeat-when-appropriate\" class=\"wp-block-heading\">Repeat When Appropriate<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">An unexpected abnormality may need confirmation. A repeated result helps distinguish persistent dysfunction from temporary illness, collection conditions, laboratory variation, or short-term physiological stress.<\/p>\n\n\n\n<h2 id=\"h-how-ulta-lab-tests-helps\" class=\"wp-block-heading\">How Ulta Lab Tests Helps<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ulta Lab Tests allows patients to order many blood and urine tests directly online where available. Patients can review available tests and transparent prices before ordering without using insurance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Specimen collection is performed through established laboratory networks such as Quest Diagnostics where applicable. Results are delivered through a secure online account. HSA or FSA payment may be available for eligible purchases where accepted.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Direct access may make it easier to establish a baseline, follow an existing abnormality, and bring objective results to a healthcare appointment. It does not mean that every available test is necessary or that results can safely determine a medication plan without professional review.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/www.ultalabtests.com\/testing\/categories\/heart-and-cardiovascular\/high-blood-pressure\">Explore Ulta Lab Tests options related to high blood pressure<\/a>.<\/strong><\/p>\n\n\n\n<h2 id=\"h-preparing-for-hypertension-related-lab-testing\" class=\"wp-block-heading\">Preparing for Hypertension-Related Lab Testing<\/h2>\n\n\n\n<h3 id=\"h-check-the-individual-test-instructions\" class=\"wp-block-heading\">Check the Individual Test Instructions<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Fasting may be requested for a <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">fasting glucose<\/a> measurement or some lipid testing situations. <a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">Hemoglobin A1C<\/a> generally does not require fasting. Follow the instructions associated with the specific order.<\/p>\n\n\n\n<h3 id=\"h-prepare-appropriately-for-uacr\" class=\"wp-block-heading\">Prepare Appropriately for <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Avoid intense exercise for approximately 24 hours before collection. Consider postponing the test during fever, infection, urinary tract infection, urinary or menstrual bleeding, acute illness, or a heart-failure flare because these conditions may cause a temporary elevation. An early-morning urine sample may be preferred, although it is not always required.<\/p>\n\n\n\n<h3 id=\"h-do-not-change-medications-on-your-own\" class=\"wp-block-heading\">Do Not Change Medications on Your Own<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-and-plasma-renin-activity-ratio-test\">Aldosterone and renin<\/a> are especially sensitive to medication effects. The Endocrine Society advises morning collection with the patient seated, <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a> measured at the same time, and no deliberate dietary <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> restriction in the days before screening. Medication adjustments should be made only when a clinician determines they are safe and necessary.<\/p>\n\n\n\n<h3 id=\"h-bring-useful-information\" class=\"wp-block-heading\">Bring Useful Information<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Follow the collection site\u2019s instructions and bring any required identification or laboratory paperwork. Keep a current list of prescriptions, over-the-counter medicines, vitamins, minerals, herbal products, and recent medication changes for the clinician who will interpret the results.<\/p>\n\n\n\n<h3 id=\"h-record-home-blood-pressure-readings\" class=\"wp-block-heading\">Record Home Blood Pressure Readings<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Use a validated upper-arm monitor. Rest quietly for at least five minutes, sit with your back supported and feet flat, support your arm at heart level, and avoid measuring immediately after exercise, caffeine, nicotine, or a stressful event. Record multiple readings over several days rather than relying on one number.<\/p>\n\n\n\n<h2 id=\"h-questions-to-ask-your-healthcare-provider\" class=\"wp-block-heading\">Questions to Ask Your Healthcare Provider<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Have my elevated readings been confirmed with an accurate home or ambulatory monitor?<\/li>\n\n\n\n<li>Which <a href=\"https:\/\/www.ultalabtests.com\/testing\/categories\/kidney\">kidney tests<\/a> should I have, including both <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a> and <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a>?<\/li>\n\n\n\n<li>Could any of my medications or supplements be changing <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/plasma-renin-activity-lc-ms-ms\">renin<\/a>, or <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-test\">aldosterone<\/a>?<\/li>\n\n\n\n<li>Is primary aldosteronism screening appropriate for my blood pressure pattern?<\/li>\n\n\n\n<li>Do my <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a> and cholesterol results change my overall cardiovascular risk?<\/li>\n\n\n\n<li>Should an abnormal urine result be repeated before further evaluation?<\/li>\n\n\n\n<li>Could sleep apnea, thyroid dysfunction, kidney disease, or another condition be contributing?<\/li>\n\n\n\n<li>Which results should be monitored as trends, and when should they be repeated?<\/li>\n\n\n\n<li>Which findings require prompt follow-up or specialist referral?<\/li>\n\n\n\n<li>What is my individualized blood pressure goal?<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-frequently-asked-questions\" class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<h3 id=\"h-1-what-blood-tests-are-commonly-used-for-hypertension\" class=\"wp-block-heading\">1. What blood tests are commonly used for hypertension?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Common starting tests may include a <a href=\"https:\/\/www.ultalabtests.com\/test\/comprehensive-metabolic-panel-test-cmp\">Comprehensive Metabolic Panel<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine with eGFR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">Hemoglobin A1C<\/a> or <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">fasting glucose<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/lipid-panel-test\">Lipid Panel<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/complete-blood-count-with-differential-and-platelets-cbc-test\">CBC<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/tsh-test\">TSH<\/a>. Blood tests do not diagnose hypertension. They provide information about kidney function, electrolyte balance, diabetes risk, cholesterol, thyroid function, medication safety, and possible contributing conditions.<\/p>\n\n\n\n<h3 id=\"h-2-can-a-blood-test-tell-whether-i-have-high-blood-pressure\" class=\"wp-block-heading\">2. Can a blood test tell whether I have high blood pressure?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. Hypertension is identified through accurate blood pressure measurements repeated over time. A validated upper-arm home monitor or ambulatory blood pressure monitor may be used to confirm an elevated office reading. Blood and urine tests help assess possible causes, associated health risks, organ effects, and treatment safety, but normal laboratory results do not rule out hypertension.<\/p>\n\n\n\n<h3 id=\"h-3-what-kidney-tests-should-be-considered-after-high-blood-pressure-is-found\" class=\"wp-block-heading\">3. What <a href=\"https:\/\/www.ultalabtests.com\/testing\/categories\/kidney\">kidney tests<\/a> should be considered after high blood pressure is found?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">Creatinine<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">urine albumin-to-creatinine ratio<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">urinalysis<\/a> provide complementary information. <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">Creatinine and eGFR<\/a> estimate filtration, while <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> looks for albumin leakage that may appear before <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a> falls. <a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">Urinalysis<\/a> can identify blood, protein, <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a>, or other abnormalities. A single abnormal result may require repeat testing before a chronic problem is confirmed.<\/p>\n\n\n\n<h3 id=\"h-4-why-is-the-urine-albumin-to-creatinine-ratio-important-in-hypertension\" class=\"wp-block-heading\">4. Why is the <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">urine albumin-to-creatinine ratio<\/a> important in hypertension?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> measures how much albumin is leaking into the urine relative to urine <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine<\/a>. Albuminuria may signal kidney damage and is also associated with cardiovascular risk. The 2025 hypertension guideline recommends <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> during the initial evaluation of high blood pressure. Exercise, infection, bleeding, dehydration, or acute illness may temporarily raise it, so abnormal findings often need confirmation.<\/p>\n\n\n\n<h3 id=\"h-5-can-my-creatinine-be-normal-even-if-high-blood-pressure-is-affecting-my-kidneys\" class=\"wp-block-heading\">5. Can my <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine<\/a> be normal even if high blood pressure is affecting my kidneys?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">Creatinine and eGFR<\/a> mainly provide information about filtration. A person may have albumin leakage while <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a> remains above 60 or appears relatively preserved. That is why <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> and, when appropriate, <a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">urinalysis<\/a> are considered alongside <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine<\/a>. Kidney health cannot be fully assessed from a single <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine<\/a> result.<\/p>\n\n\n\n<h3 id=\"h-6-what-does-potassium-have-to-do-with-hypertension\" class=\"wp-block-heading\">6. What does <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a> have to do with hypertension?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">Potassium<\/a> may be affected by kidney function, dietary intake, vomiting or diarrhea, supplements, and several blood pressure medicines. Low <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a> can occur with excess <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-test\">aldosterone<\/a>, but many people with primary aldosteronism have normal <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>. <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">Potassium<\/a> therefore helps with interpretation and medication safety but is not sensitive enough to rule out a hormonal cause by itself.<\/p>\n\n\n\n<h3 id=\"h-7-should-everyone-with-hypertension-receive-aldosterone-and-renin-testing\" class=\"wp-block-heading\">7. Should everyone with hypertension receive <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-and-plasma-renin-activity-ratio-test\">aldosterone and renin<\/a> testing?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The 2025 Endocrine Society guideline conditionally suggests screening all people with hypertension, while the 2025 AHA\/ACC guideline prioritizes groups such as resistant hypertension and expands consideration to stage 2 hypertension and obstructive sleep apnea. Testing is sensitive to medications, <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> intake, posture, time, and assay methods, so preparation and interpretation should involve a qualified clinician.<\/p>\n\n\n\n<h3 id=\"h-8-do-i-need-to-fast-for-hypertension-lab-tests\" class=\"wp-block-heading\">8. Do I need to fast for hypertension lab tests?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It depends on the tests ordered. <a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">Hemoglobin A1C<\/a> usually does not require fasting. A <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">fasting glucose<\/a> test does, and fasting may be requested for certain lipid evaluations. <a href=\"https:\/\/www.ultalabtests.com\/test\/comprehensive-metabolic-panel-test-cmp\">CMP<\/a>, thyroid, urine, or aldosterone-renin preparation varies by purpose and laboratory protocol. Review the instructions for every test rather than assuming the entire order has the same requirements.<\/p>\n\n\n\n<h3 id=\"h-9-can-serum-sodium-show-whether-i-eat-too-much-salt\" class=\"wp-block-heading\">9. Can serum <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> show whether I eat too much salt?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. Serum <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> is tightly regulated and reflects the relationship between <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> and body water. It is not a direct measurement of dietary <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> intake. A person may consume a high-sodium diet while having a normal serum <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> result. Dietary assessment or, in selected cases, clinician-directed urine <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> testing is more relevant to <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a> intake.<\/p>\n\n\n\n<h3 id=\"h-10-can-i-order-hypertension-lab-tests-without-a-doctor\" class=\"wp-block-heading\">10. Can I order hypertension lab tests without a doctor?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ulta Lab Tests allows patients to order many kidney, metabolic, lipid, thyroid, electrolyte, and urine tests directly online where available. <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-and-plasma-renin-activity-ratio-test\">Aldosterone and renin<\/a> testing may also be accessible. Direct ordering does not make every test appropriate for every patient. Results\u2014especially hormonal, kidney, electrolyte, or pregnancy-related findings\u2014should be reviewed with a qualified healthcare professional.<\/p>\n\n\n\n<h3 id=\"h-11-when-should-hypertension-related-tests-be-repeated\" class=\"wp-block-heading\">11. When should hypertension-related tests be repeated?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Retesting depends on the original result, medications, treatment changes, and overall risk. <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a> may be repeated to confirm albuminuria. <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">Creatinine<\/a> and <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a> may be rechecked after certain medication changes. <a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">A1C<\/a>, lipids, and thyroid tests follow different schedules. The most useful monitoring plan compares relevant trends without repeating broad panels more often than clinically necessary.<\/p>\n\n\n\n<h3 id=\"h-12-when-is-a-high-blood-pressure-reading-an-emergency\" class=\"wp-block-heading\">12. When is a high blood pressure reading an emergency?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Repeat a reading above 180\/120 mm Hg after at least one minute. Call 911 when it remains that high and occurs with chest pain, shortness of breath, weakness, numbness, vision changes, difficulty speaking, or another new and concerning symptom. A persistent reading in this range without symptoms still requires prompt contact with a healthcare professional.<\/p>\n\n\n\n<h2 id=\"h-conclusion\" class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A blood pressure cuff identifies the pressure problem. <strong>Hypertension lab tests help investigate its consequences, associated risks, possible contributors, and the safest way to monitor care.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A practical evaluation often begins with kidney function, electrolytes, <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">urinalysis<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a>, cholesterol, <a href=\"https:\/\/www.ultalabtests.com\/test\/complete-blood-count-with-differential-and-platelets-cbc-test\">CBC<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/testing\/categories\/thyroid\/all-tests\">thyroid testing<\/a>. <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-and-plasma-renin-activity-ratio-test\">Aldosterone and renin<\/a> may add important information when primary aldosteronism screening is appropriate. More specialized adrenal, autoimmune, or kidney testing should follow the clinical pattern rather than be ordered routinely.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Through Ulta Lab Tests, patients can explore relevant high blood pressure, kidney, metabolic, electrolyte, thyroid, and hormone testing options online where available. Use the results to support a more informed conversation with a qualified healthcare provider, and never start, stop, or change medication solely because of a direct-access laboratory result.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/www.ultalabtests.com\/testing\/categories\/heart-and-cardiovascular\/high-blood-pressure\">Explore hypertension-related lab testing at UltaLabTests.com<\/a>.<\/strong><\/p>\n\n\n\n<h2 id=\"h-references\" class=\"wp-block-heading\">References<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"https:\/\/professional.heart.org\/en\/science-news\/2025-high-blood-pressure-guideline\/top-things-to-know\" target=\"_blank\" rel=\"noreferrer noopener\">American Heart Association. Top Things to Know: 2025 High Blood Pressure Guideline.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.acc.org\/about-acc\/press-releases\/2025\/08\/13\/20\/03\/new-high-blood-pressure-guideline-emphasizes-prevention-early-treatment-to-reduce-cvd-risk\" target=\"_blank\" rel=\"noreferrer noopener\">American College of Cardiology. New High Blood Pressure Guideline Emphasizes Prevention and Early Treatment.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.uspreventiveservicestaskforce.org\/uspstf\/recommendation\/hypertension-in-adults-screening\" target=\"_blank\" rel=\"noreferrer noopener\">U.S. Preventive Services Task Force. Hypertension in Adults: Screening.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.endocrine.org\/clinical-practice-guidelines\/primary-aldosteronism-2\" target=\"_blank\" rel=\"noreferrer noopener\">Endocrine Society. Primary Aldosteronism: Clinical Practice Guideline.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.kidney.org\/kidney-topics\/urine-albumin-creatinine-ratio-uacr\" target=\"_blank\" rel=\"noreferrer noopener\">National Kidney Foundation. Urine Albumin-Creatinine Ratio.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medlineplus.gov\/lab-tests\/comprehensive-metabolic-panel-cmp\/\" target=\"_blank\" rel=\"noreferrer noopener\">MedlinePlus. Comprehensive Metabolic Panel.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medlineplus.gov\/lab-tests\/microalbumin-creatinine-ratio\/\" target=\"_blank\" rel=\"noreferrer noopener\">MedlinePlus. Microalbumin Creatinine Ratio.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medlineplus.gov\/lab-tests\/aldosterone-test\/\" target=\"_blank\" rel=\"noreferrer noopener\">MedlinePlus. Aldosterone Test.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.heart.org\/en\/health-topics\/high-blood-pressure\/understanding-blood-pressure-readings\/when-to-call-911-for-high-blood-pressure\" target=\"_blank\" rel=\"noreferrer noopener\">American Heart Association. When to Call 911 About High Blood Pressure.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.thyroid.org\/hyperthyroidism\/\" target=\"_blank\" rel=\"noreferrer noopener\">American Thyroid Association. Hyperthyroidism.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/testing\/categories\/heart-and-cardiovascular\/high-blood-pressure\">Ulta Lab Tests. High Blood Pressure Testing Category.<\/a><\/li>\n<\/ol>\n\n\n\n<h2 id=\"h-summary\" class=\"wp-block-heading\">Summary<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hypertension is persistent elevation of blood pressure identified through accurate cuff measurements, not a blood test. Hypertension lab tests may reveal kidney damage, cardiometabolic risk, electrolyte abnormalities, medication effects, thyroid dysfunction, or selected secondary causes such as primary aldosteronism.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">Creatinine<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">eGFR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">urinalysis<\/a> provide complementary kidney information.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">A1C<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">glucose<\/a>, lipids, and <a href=\"https:\/\/www.ultalabtests.com\/test\/apolipoprotein-b-test\">ApoB<\/a> may help define broader cardiovascular and metabolic risk.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">Potassium<\/a> and kidney function are important for medication safety.<\/li>\n\n\n\n<li>Normal <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a> does not rule out primary aldosteronism.<\/li>\n\n\n\n<li>Abnormal <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a>, kidney, electrolyte, or hormone results may need confirmation and clinical interpretation.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Related tests:<\/strong> <a href=\"https:\/\/www.ultalabtests.com\/test\/complete-blood-count-with-differential-and-platelets-cbc-test\">CBC<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/comprehensive-metabolic-panel-test-cmp\">CMP<\/a> or <a href=\"https:\/\/www.ultalabtests.com\/test\/basic-metabolic-panel-test\">BMP<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/creatinine\">creatinine with eGFR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/albumin-random-urine-test-with-creatinine\">UACR<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/urinalysis-ua-complete\">urinalysis<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/a1c-test\">A1C<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/glucose\">fasting glucose<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/lipid-panel-test\">Lipid Panel<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/apolipoprotein-b-test\">ApoB<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/tsh-test\">TSH<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/t4-free\">Free T4<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-test\">aldosterone<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/plasma-renin-activity-lc-ms-ms\">renin<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/aldosterone-and-plasma-renin-activity-ratio-test\">aldosterone-to-renin ratio<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/potassium\">potassium<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/sodium\">sodium<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/metanephrines-fractionated-free-plasma-test\">plasma metanephrines<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/metanephrines-fractionated-24-hour-urine-test\">24-hour urine metanephrines<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/cortisol-total\">cortisol<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/ana-screen-ifa-with-reflex-to-titer-and-pattern\">ANA<\/a>, <a href=\"https:\/\/www.ultalabtests.com\/test\/dna-ds-antibody-test\">anti-dsDNA<\/a>, and <a href=\"https:\/\/www.ultalabtests.com\/test\/complement-component-c3c-and-c4c-test\">complement tests<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>How Ulta Lab Tests helps:<\/strong> Patients can order many relevant blood and urine tests online where available, review transparent pricing, complete collection through established laboratory networks where applicable, and receive secure online results.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Disclaimer:<\/strong> Laboratory testing is informational and should be interpreted with a qualified healthcare provider alongside blood pressure measurements, symptoms, medications, medical history, pregnancy status, and cardiovascular risk.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A blood pressure cuff detects elevated pressure inside your arteries. Hypertension lab tests serve a different purpose: they may help reveal whether high blood pressure is affecting your kidneys, whether diabetes or abnormal cholesterol is [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":2946,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[149,81,88,84,172,6,153,7,145,151,146,156,86,4,267],"tags":[4698,4674,4714,4693,1068,4517,4699,4711,2390,4695,2532,4713,4715,2079,4716,4678,4664,4156,4688,4663,4679,4708,2080,4706,4682,4675,2274,4717,3708,4665,4703,2346,2203,2137,4681,4669,4656,4707,4686,4668,4673,4676,1049,4662,4672,4671,4687,4684,2180,4704,4683,4697,4691,4692,4696,4685,4690,4700,4670,4694,4689,4701,2091,4710,4712,4709,4702,2072,1071,4666,1987,4667,4680,4677,4705],"class_list":["post-2943","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cholesterol","category-diabetes","category-diabetes-health","category-diabetes-with-chronic-kidney-disease","category-endocrine","category-heart-and-cardiovascular","category-all-heart-and-cardiovascular","category-heart-attack-risk","category-heart-disease","category-heart-health","category-high-blood-pressure-hypertension","category-hormone","category-metabolic-syndrome","category-thyroid","category-thyroid-health","tag-24-hour-urine-metanephrines","tag-a1c-test-and-hypertension","tag-ace-inhibitor-monitoring-labs","tag-adrenal-causes-of-hypertension","tag-albuminuria-test","tag-aldosterone-renin-ratio","tag-aldosterone-test","tag-ana-blood-test","tag-anti-dsdna-test","tag-apob-and-cardiovascular-risk","tag-apolipoprotein-b-test","tag-arb-monitoring-labs","tag-autoimmune-kidney-disease-tests","tag-basic-metabolic-panel","tag-blood-pressure-medication-monitoring","tag-blood-tests-after-a-high-blood-pressure-reading","tag-blood-tests-for-high-blood-pressure","tag-cardiovascular-risk-blood-tests","tag-cholesterol-test-for-high-blood-pressure","tag-chronic-kidney-disease-and-hypertension","tag-cmp-test-for-hypertension","tag-complement-c3-c4-test","tag-comprehensive-metabolic-panel","tag-cortisol-test-for-hypertension","tag-creatinine-and-egfr-test","tag-diabetes-and-high-blood-pressure","tag-direct-access-lab-testing","tag-diuretic-monitoring-labs","tag-egfr-kidney-test","tag-electrolyte-tests-for-hypertension","tag-endocrine-causes-of-hypertension","tag-fasting-glucose-test","tag-free-t4-test","tag-heart-health-lab-tests","tag-high-blood-pressure-and-kidney-function","tag-high-blood-pressure-blood-test","tag-high-blood-pressure-tests","tag-home-blood-pressure-monitoring","tag-hypertension-blood-work","tag-hypertension-lab-tests","tag-hypertension-testing","tag-kidney-damage-from-high-blood-pressure","tag-kidney-function-tests","tag-kidney-tests-for-hypertension","tag-lab-tests-for-hypertension","tag-labs-ordered-for-hypertension","tag-lipid-panel-for-hypertension","tag-low-potassium-and-high-blood-pressure","tag-magnesium-blood-test","tag-masked-hypertension","tag-microalbumin-creatinine-ratio","tag-normal-potassium-primary-aldosteronism","tag-pheochromocytoma-blood-test","tag-plasma-metanephrines-test","tag-plasma-renin-activity-test","tag-potassium-test-for-hypertension","tag-primary-aldosteronism-screening","tag-primary-aldosteronism-test","tag-protein-in-urine-and-high-blood-pressure","tag-resistant-high-blood-pressure","tag-resistant-hypertension-testing","tag-secondary-hypertension-tests","tag-sodium-blood-test","tag-stage-1-hypertension","tag-stage-2-hypertension","tag-thyroid-and-blood-pressure","tag-thyroid-tests-for-hypertension","tag-tsh-test","tag-uacr-test","tag-urinalysis-for-hypertension","tag-urine-albumin-creatinine-ratio","tag-urine-microalbumin-test","tag-urine-test-for-high-blood-pressure","tag-what-blood-tests-are-used-for-hypertension","tag-white-coat-hypertension"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Hypertension Lab Tests: What Blood and Urine Testing Can Reveal After a High Reading | Ulta Lab Tests<\/title>\n<meta name=\"description\" content=\"Hypertension lab tests reveal kidney and heart risk. 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