All Heart and Cardiovascular Tests

Heart and cardiovascular tests give you a clear picture of the factors that drive long-term risk and day-to-day symptoms. These labs evaluate cholesterol patterns and particle numbergenetic lipoproteinsinflammationblood-sugar controlkidney health, and cardiac-strain or injury markers.

Use this page to build a right-sized panel. Start with a standard lipid panel and A1c or fasting glucose, then refine risk with ApoB (particle number), lipoprotein(a) [Lp(a)] (genetic risk), and hs-CRP&... See more

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The Prothrombin (Factor II) 20210G→A Mutation Analysis Test detects a genetic variant in the prothrombin gene linked to increased risk of abnormal blood clotting. This mutation is associated with venous thromboembolism, deep vein thrombosis, and pulmonary embolism. Identifying this mutation helps evaluate inherited thrombophilia, supporting risk assessment, family studies, and management of clotting disorders.

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The Prothrombin Time with INR Test measures how long it takes blood to clot and calculates the international normalized ratio (INR) for accuracy. It is commonly used to monitor patients on blood-thinning medications like warfarin and to evaluate bleeding disorders, liver disease, or vitamin K deficiency. Doctors order this test to investigate easy bruising, frequent nosebleeds, or prolonged bleeding and to ensure safe and effective anticoagulant therapy.

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Also Known As: PT with INR Test

The Renal Function Panel Test measures blood urea nitrogen (BUN), creatinine, sodium, potassium, chloride, carbon dioxide, calcium, phosphorus, albumin, and glucose to evaluate kidney health. Abnormal results may indicate kidney disease, dehydration, or metabolic imbalance. Doctors use this panel to monitor chronic kidney disease (CKD), assess electrolyte balance, and guide treatment decisions. It provides vital insight into renal function and overall metabolic health.

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Also Known As: Kidney Panel Test, Kidney Function Panel Test

The Reticulocyte Count Test measures immature red blood cells (reticulocytes) to evaluate bone marrow function and red cell production. High levels may indicate blood loss, hemolytic anemia, or recovery from treatment, while low levels may suggest bone marrow failure, nutritional deficiencies, or chronic disease. Doctors use this test to assess anemia, monitor therapy, or track recovery. Results provide key insight into red blood cell health and overall hematologic function.

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Also Known As: Retic Count Reticulocyte Percent Test, Reticulocyte Index Test, Corrected Reticulocyte Test, Reticulocyte Production Index Test, RPI Test

The Rheumatoid Factor (RF) Test measures RF antibodies in blood to help diagnose rheumatoid arthritis and other autoimmune conditions. High RF levels may indicate rheumatoid arthritis, Sjögren’s syndrome, or other connective tissue diseases, though they can also appear in some infections. Doctors order this test to investigate joint pain, stiffness, or swelling. Results provide important insight into autoimmune activity, joint health, and inflammatory disease management.

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Also Known As: RF Test, Rheumatoid Arthritis Factor Test

The Rheumatoid Factor IgA IgG IgM Antibodies Test measures multiple rheumatoid factor classes to aid in diagnosing rheumatoid arthritis and related autoimmune diseases. Elevated levels may suggest joint inflammation, Sjögren’s syndrome, lupus, or chronic infections. Doctors use this comprehensive test to confirm autoimmune involvement, investigate persistent pain or stiffness, and guide treatment planning by assessing disease activity across antibody types.

Also Known As: RF Antibodies Test, Rheumatoid Arthritis Factor Antibodies Test

The Rheumatoid Factor IgA Antibody Test measures IgA-class rheumatoid factor, an autoantibody linked to rheumatoid arthritis and other autoimmune diseases. Elevated levels may indicate joint inflammation, Sjögren’s syndrome, or chronic infections. Doctors use this blood test alongside other markers to confirm diagnosis, assess disease activity, and guide treatment decisions for patients with suspected autoimmune or inflammatory disorders.

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Also Known As: RF IgA Test, Rheumatoid Arthritis Factor IgA Antibody Test

The Rheumatoid Factor IgG Antibody Test measures IgG-class rheumatoid factor, an autoantibody often linked to rheumatoid arthritis and autoimmune diseases. Elevated levels may indicate joint inflammation, Sjögren’s syndrome, or chronic infection. Doctors use this test with other markers to confirm diagnosis, assess autoimmune activity, and guide treatment for patients with persistent joint pain, swelling, or suspected inflammatory disorders.

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Also Known As: RF IgG Test, Rheumatoid Arthritis Factor IgG Antibody Test

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The Sed Rate Test, also called the ESR Test, measures how quickly red blood cells settle in a sample of blood. A faster rate may signal inflammation caused by infections, autoimmune diseases, arthritis, or other chronic conditions. Doctors use this test to investigate unexplained fever, joint pain, or muscle aches, and to monitor inflammatory disorders such as lupus or rheumatoid arthritis. The Sed Rate Test provides important insight into overall inflammatory activity.

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Also Known As: Erythrocyte Sedimentation Rate Test, ESR Test, Sedimentation Rate Test, Westergren Sedimentation Rate Test

The Selenium Micronutrient Blood Test measures selenium levels in the blood to assess nutritional status and detect deficiencies or excess. Selenium is a powerful antioxidant that supports thyroid function, immune defense, and protection against oxidative stress. This test helps identify dietary insufficiency, malabsorption, or toxicity, supporting diagnosis and management of overall health and wellness.

Patient must be 18 years of age or older.
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The Selenium Test measures selenium levels in blood to evaluate nutritional status and overall health. Selenium is essential for thyroid function, antioxidant defense, and immune support. Low levels may cause fatigue, muscle weakness, thyroid problems, or impaired immunity, while high levels may indicate toxicity. Doctors use this test to monitor nutrition, supplementation, or suspected deficiency. Results provide key insight into metabolic health and antioxidant balance.

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The Selenium RBC Test measures selenium levels inside red blood cells, providing a more accurate reflection of long-term selenium status than serum testing. Selenium is essential for antioxidant defense, thyroid function, and immune health. Abnormal results may indicate deficiency linked to fatigue, thyroid disorders, or poor immunity, or excess from supplementation. Doctors use this test to evaluate nutritional balance, guide treatment, and monitor metabolic health.

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The Sodium Test measures sodium levels in the blood, an electrolyte essential for fluid balance, nerve function, and muscle activity. Abnormal sodium may indicate dehydration, kidney disease, adrenal disorders, or heart failure. Doctors use this test to investigate symptoms like confusion, weakness, or swelling and to monitor patients with chronic illnesses, diuretic use, or intravenous therapy, ensuring proper electrolyte and metabolic health.

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Also Known As: Na Test, Sodium Serum Test

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The T4 Total Test measures total thyroxine (T4) in blood, a combination of both bound and unbound (free) T4, to assess thyroid function. Abnormal levels may indicate hypothyroidism, hyperthyroidism, goiter, or pituitary disorders. Doctors use this test to evaluate symptoms like fatigue, weight changes, hair loss, or irregular heart rate and to monitor thyroid replacement or antithyroid therapy. The T4 Total Test provides key insight into metabolic, hormonal, and endocrine health.

Also Known As: Total T4 Test, Total Thyroxine Test, T4 Test, Bound and Unbound T4 Test

Varied
Phlebotomist

The Trimethylamine N-Oxide (TMAO) Test measures TMAO levels in blood to assess cardiovascular and metabolic risk. TMAO is produced when gut bacteria metabolize nutrients like choline, carnitine, and betaine from foods such as red meat and eggs. Elevated levels are linked to heart disease, stroke, kidney dysfunction, and metabolic disorders. Doctors order this test to evaluate cardiovascular risk and guide lifestyle, diet, or treatment strategies.

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Also Known As: Trimethylamine N-Oxide Test

The Total Glutathione Test measures glutathione, a key antioxidant that protects cells from oxidative stress and supports liver detoxification, immune defense, and cellular repair. Low levels may indicate chronic illness, toxin exposure, poor nutrition, or high oxidative stress, while high levels may reflect supplementation. Doctors use this test to assess antioxidant capacity, monitor therapy, and guide treatment for overall metabolic and immune health.

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The Transferrin Test measures transferrin, a blood protein that transports iron, to evaluate iron status and nutritional health. High levels may suggest iron deficiency anemia, while low levels may indicate liver disease, malnutrition, or chronic illness. Doctors use this test alongside iron and TIBC to investigate fatigue, weakness, or anemia symptoms. Results provide vital insight into iron balance, red blood cell production, and overall metabolic function.

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The Triglycerides Test measures triglyceride levels in blood to evaluate heart health and metabolic function. High levels may increase risk for cardiovascular disease, atherosclerosis, or pancreatitis, while low levels may reflect nutritional issues. Doctors use this test as part of lipid screening to assess patients with obesity, diabetes, or high cholesterol. Results provide vital insight into fat metabolism, cardiovascular risk, and overall wellness management.

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Also Known As: TG Test, TRIG Test

The Troponin I Test measures levels of cardiac troponin I in blood to help diagnose heart attack, myocardial injury, and acute coronary syndrome. Elevated levels indicate heart muscle damage from blocked arteries, inflammation, or other cardiac stress. Doctors order this test for patients with chest pain, shortness of breath, or suspected heart disease. Results provide critical insight for early detection, treatment decisions, and ongoing heart health monitoring.

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Also Known As: TnI Test, cTnI Test, Cardiac Troponin Test

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The Thyroid Stimulating Hormone (TSH) Test measures TSH levels in blood to assess thyroid function and diagnose hypothyroidism or hyperthyroidism. It evaluates how the thyroid controls metabolism, energy, weight, and heart rate. Doctors use the TSH test to investigate symptoms such as fatigue, hair loss, or mood changes. Frequently included in routine health exams, it is also key for monitoring thyroid disease treatment and overall endocrine balance.

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Also Known As: Thyroid Stimulating Hormone Test, Thyrotropin Test

The Blood Urea Nitrogen (BUN) Test measures urea nitrogen levels in blood to assess kidney function and how well the body removes waste. Elevated BUN may indicate kidney disease, dehydration, heart failure, or high protein intake, while low levels may suggest liver disease or malnutrition. Doctors order this test to evaluate fatigue, swelling, or abnormal lab results. Results help diagnose kidney and liver conditions and guide treatment decisions.

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Also Known As: BUN Test, Blood Urea Nitrogen Test

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The Uric Acid Test measures uric acid levels in blood to assess kidney function and detect gout, a form of arthritis caused by uric acid buildup. High levels may also signal kidney disease, kidney stones, or metabolic disorders, while low levels can occur with liver disease. Doctors use this test to investigate joint pain, swelling, or frequent urination, and to monitor treatment for gout, kidney stones, or chemotherapy-related complications.

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Also Known As: Serum Urate Test

The Urinalysis Complete Test evaluates urine for physical, chemical, and microscopic properties to assess kidney health, urinary tract infections, diabetes, and metabolic disorders. It measures appearance, concentration, pH, protein, glucose, ketones, blood, bilirubin, nitrites, leukocyte esterase, and microscopic cells or crystals. Doctors use this test in routine exams, to diagnose urinary symptoms, and to monitor chronic kidney or metabolic disease.

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Also Known As: Urine Analysis Test, UA Test, Complete Urinalysis Test

The Protein Total Random Urine Test measures the amount of protein in a single urine sample to evaluate kidney function and detect disorders. Elevated protein levels (proteinuria) may indicate kidney disease, diabetes, hypertension, or urinary tract conditions. Doctors use this test to screen for kidney damage, monitor chronic disease, or investigate unexplained swelling, providing an important tool for early detection and treatment planning.

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One person dies every 36 seconds in the United States from cardiovascular disease.

That may seem like a shocking statistic, but what's more surprising is that cardiovascular disease is also the leading cause of death in the US.

Thankfully, by utilizing blood testing for cardiovascular diseases, you can learn your risk factors and make changes in your life to help prevent future heart problems.

So, what is cardiovascular disease, and which heart and cardiovascular tests are used to help diagnose it? Keep reading to learn more about this deadly disease and how to prevent it.

What is Heart and Cardiovascular Disease?

Cardiovascular disease is a type of disease that affects the heart muscle or blood vessels. Heart and Cardiovascular Disease refers to several different conditions, such as heart failure, stroke, heart attack, and more. The most common type of cardiovascular disease in the US is Coronary Artery Disease.

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