Find the right blood test for you.

Measures CTx, a fragment released when bone is broken down. Can help assess the rate of bone turnover and monitor how well osteoporosis treatment is working. View details →

Measures copper in the blood. Copper is a trace mineral needed for iron handling, connective tissue and nerve function, and testing can help assess both deficiency and overload. View details →

Measures cortisol, the hormone the adrenal glands release in response to stress and as part of a daily rhythm. Can help assess conditions where cortisol runs too high or too low. View details →

Measures total cortisol using liquid chromatography with mass spectrometry. Can help assess conditions in which cortisol runs persistently high or low. View details →

Measures C-peptide, released in equal amounts to insulin whenever the pancreas makes it. Can help assess how much insulin the body is producing on its own. View details →

Measures total creatine kinase, an enzyme released when muscle is damaged. Can help assess muscle injury, including muscle symptoms in people taking statins. View details →

Measures C-reactive protein, which rises when there is inflammation in the body. Can help assess and monitor infection and inflammatory conditions. View details →

Grows and identifies bacteria present in a urine sample, and tests which antibiotics they respond to. Can help confirm a urinary tract infection and guide treatment. View details →

Measures IgG antibodies to cyclic citrullinated peptide. Can help assess rheumatoid arthritis, and is more specific to that condition than rheumatoid factor. View details →

Measures D-dimer, a fragment released when a blood clot breaks down. Most useful for ruling out a clot in the legs or lungs when suspicion is already low. View details →

Measures DHEA-sulfate, an adrenal hormone the body uses as raw material for testosterone and estrogen. Can help assess adrenal function and causes of excess androgen. View details →

Measures dihydrotestosterone, a more potent hormone the body converts testosterone into. Can help assess hair loss, prostate conditions and disorders of sexual development. View details →