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Every marker, explained

Grouped by body system. Each page has cited ranges, what high and low can mean, and where you stand compared with people your age.

For a whole report, browse by panel: the groups of tests labs usually order together. For the tests that matter in your situation, like a thyroid condition or testosterone therapy, see who it’s for.

Work out a number from your results with the calculators, see what’s typical by age and sex, convert units, or look up a name in the A to Z of abbreviations.

578blood and urine tests so far

Cholesterol and other blood fats, the particles that carry them, and markers of heart strain or injury.

How your body handles sugar and energy: glucose, A1c, insulin and related hormones.

Kidneys

12 tests

How well your kidneys filter waste from your blood, plus uric acid.

Liver

21 tests

Liver enzymes, bilirubin and the proteins your liver makes.

Sodium, potassium, calcium, magnesium and the other salts that keep fluid balance, nerves and muscles working.

Blood Cells

47 tests

Your complete blood count: red cells that carry oxygen, white cells that fight infection, and platelets that clot.

Iron

6 tests

Iron in your blood, how much you have stored, and the proteins that move it around.

Thyroid

13 tests

The hormones that set your metabolic pace, and antibodies that can attack the thyroid.

Testosterone, estrogen, progesterone, the pituitary signals that control them, and fertility markers.

Cortisol, DHEA, growth hormone, IGF-1 and other adrenal and pituitary hormones.

Vitamins, trace minerals, omega-3s and other nutrients measured in blood.

Signals of inflammation in the body, from everyday CRP to specialized cytokines.

Antibody levels, complement proteins and immune cell counts.

Autoimmunity

41 tests

Antibodies that can signal the immune system targeting your own tissues, including celiac disease.

Allergies

54 tests

Total and allergen-specific IgE antibodies.

Screening for infections and checking immunity from past infection or vaccination.

How quickly and how well your blood clots.

Parathyroid hormone, bone turnover and muscle enzymes.

Pancreatic enzymes and stomach and gut markers measured in blood.

Tumor markers and protein tests used to screen for or monitor certain cancers. Most are not diagnostic on their own.

Blood markers of nerve injury and Alzheimer's disease pathology.

Composite scores like biological age, calculated from standard blood tests.

Lead, mercury and other metals, plus markers of nicotine and alcohol exposure.

Blood levels of medicines that need monitoring to stay safe and effective.

Oxygen, carbon dioxide and acid-base balance, mostly measured in hospital settings.

Urine Tests

59 tests

Urinalysis and urine chemistry that often appear on the same report as blood work.

Blood type and common genetic variants tested from a blood sample.