All Stress and Fatigue Tests

Did you know that over 40% of Americans experience more daily stress than they're comfortable with? Here's why it's so important to order lab tests to monitor for stress, anxiety, and fatigue.

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The T3 Uptake Test estimates thyroid hormone-binding capacity by measuring how well proteins in the blood bind triiodothyronine (T3). It does not measure T3 directly but helps assess thyroid function when combined with Total T4. Abnormal results may indicate hyperthyroidism, hypothyroidism, pregnancy, or protein-binding disorders. Doctors use this test to investigate fatigue, weight changes, or irregular heartbeat and to guide thyroid treatment decisions.

: Serum

The Testosterone Free and Total and Sex Hormone Binding Globulin (SHBG) Test measures total testosterone, free testosterone, and SHBG to assess hormone balance in men and women. It helps diagnose infertility, erectile dysfunction, low libido, irregular periods, PCOS, and abnormal puberty. Doctors also use it to evaluate fatigue, muscle weakness, or mood changes and to monitor hormone therapy. This test provides a comprehensive view of reproductive, endocrine, and metabolic health.

Also Known As: Bound and Unbound Testosterone with SHBG Test, Uncapped Testosterone Test

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The Transferrin Test measures transferrin, a protein that binds and carries iron in the blood. It helps evaluate iron status, diagnose iron deficiency or overload, and assess conditions affecting iron metabolism, nutrition, or liver function.

: Serum

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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.

: Serum
Also Known As: Thyroid Stimulating Hormone Test, Thyrotropin 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.

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

The Vitamin A Micronutrient Test measures blood levels of vitamin A (retinol) to assess nutritional status and detect deficiencies or excesses. Adequate vitamin A is essential for vision, immune defense, reproduction, and cellular health. This test helps evaluate malnutrition, absorption issues, or toxicity from supplements, supporting diagnosis and monitoring of overall health.

Patient must be 18 years of age or older.
: Serum
Also Known As: Retinol Test

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The Vitamin A Test measures the level of vitamin A in the blood to evaluate nutritional status and overall health. It helps detect deficiencies that may cause vision problems, immune issues, or skin disorders, as well as excess levels that can lead to toxicity.

: Serum
Also Known As: Retinol Test

The Vitamin B1 Blood Test measures thiamine (vitamin B1) levels in the blood to assess nutritional status. Thiamine is essential for energy metabolism and nerve function. This test helps detect deficiencies that can lead to conditions such as beriberi or Wernicke-Korsakoff syndrome and may be used to monitor supplementation or treatment

: Blood
Also Known As:  Thiamine Blood Test

The Vitamin B1 Blood Micronutrient Test measures thiamine levels in the blood to assess nutritional status and detect deficiencies. Thiamine is essential for energy production, nerve function, and carbohydrate metabolism. This test helps identify malnutrition, absorption disorders, or risk from poor diet or alcohol use, supporting diagnosis and management of overall health.

Patient must be 18 years of age or older.
: Blood
Also Known As: Thiamine Blood Test

The Vitamin B12 and Folate Panel Test measures blood levels of vitamin B12 and folate to evaluate nutritional status, red blood cell production, and nervous system health. Deficiencies may cause anemia, fatigue, weakness, neuropathy, or cognitive decline, while elevated levels can indicate liver or kidney disease. Doctors use this panel to diagnose deficiency, monitor therapy, and assess absorption disorders such as pernicious anemia, Crohn’s disease, or celiac disease.

: Serum
Also Known As: Cobalamin and Folic Acid Test, Vitamin B12 and Vitamin B9 Test

The Vitamin B2 Micronutrient Test measures riboflavin levels in the blood to evaluate nutritional status and detect deficiencies. Riboflavin is vital for energy production, red blood cell function, and the metabolism of fats, carbohydrates, and proteins. This test helps identify dietary insufficiency, malabsorption issues, or increased nutrient needs, supporting overall health assessment and management.

Patient must be 18 years of age or older.
: Serum
Also Known As: Riboflavin Test

 The Vitamin B2 test, also known as Riboflavin or Riboflavin Blood Test, measures the level of Vitamin B2 in the blood. Vitamin B2 is an essential water-soluble vitamin that plays a key role in energy production, cellular function, and metabolism. It is essential for maintaining healthy skin, vision, and the nervous system. The test helps assess the body's Vitamin B2 status and aids in the diagnosis of Vitamin B2 deficiency or related conditions.
: Plasma-Unspecified Vial Pour
Also Known As: : Riboflavin Test

The QuestAssureD™ Vitamin D 25-Hydroxy Total Test measures Vitamin D2, Vitamin D3, and total 25-hydroxy vitamin D to assess overall vitamin D status. Adequate vitamin D supports bone strength, calcium absorption, immune health, and muscle function. Low levels may cause osteoporosis, weakness, or increased disease risk, while high levels can indicate toxicity. Doctors use this test to diagnose deficiency, monitor supplementation, and evaluate metabolic and endocrine health.

: Serum
Also Known As: Ergocalciferol Test, Vitamin D2 Test, Cholecalciferol Test, Vitamin D3 Test, Calcidiol Test, 25-hydroxyvitamin D Test, Calcifidiol Test, 25-hydroxy-vitamin D Test, Vitamin D Total Test

: Serum, Blood

The Zinc Micronutrient Test measures blood zinc levels to evaluate nutritional status and detect deficiencies or excess. Zinc is vital for immune function, wound healing, growth, reproduction, and enzyme activity. This test helps identify poor intake, malabsorption, or excessive supplementation, supporting diagnosis and management of overall health, immune balance, and metabolic function.

Patient must be 18 years of age or older.
: Plasma-Unspecified Vial Pour
Also Known As: Zinc Plasma Test

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The Zinc test measures the concentration of zinc in the blood's plasma. Zinc is an essential mineral that plays a crucial role in various bodily functions, including immune function, wound healing, growth and development, and DNA synthesis.

: Plasma-Unspecified Vial Pour
Also Known As:  Zinc Plasma Test, Zn Test

The Zinc Protoporphyrin (ZPP) test is a medical diagnostic tool used to measure the levels of zinc protoporphyrin in the blood. Zinc protoporphyrin is a compound that forms when zinc replaces iron in the heme molecule of hemoglobin. This test provides valuable insights into the body's iron status and its impact on hemoglobin production.
: Blood
Also Known As: ZP Test, ZPP Test, Free Erythrocyte Protoporphyrin Test, FEP Test

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: Serum

: Blood, Serum

: Plasma-Unspecified Vial Pour, Random, Serum, Blood

 The Fatigue Test Panel is a comprehensive set of laboratory tests designed to investigate common causes of fatigue, a pervasive and often challenging symptom to diagnose due to its nonspecific nature and multiple potential causes.
: Blood, Serum

: Serum, Plasma-Unspecified Vial Pour

: Serum, Blood

: Plasma-Unspecified Vial Pour, Blood, Serum

A shocking statistic you may not know is that 55 percent of Americans experience stress during the day. That’s about one in two people! 

It’s a statistic that should get one concerned, considering what stress can do to our bodies. 

If you feel overwhelmed by stress in your day-to-day life, you should consider a stress lab test. A lab test can check various biomarkers that can help establish whether or not your well-being is taking a hit from your level of stress. 

Let’s start by learning more about stress.

What is Stress? 

Stress is the body’s reaction upon being put under pressure by internal or external stimuli. Whenever your body responds to stressful stimuli, you may have a physical, emotional, or mental response. 

It is normal for every person to deal with stress at a point in their life. ... See more