Find the right blood test for you.

Screens for antinuclear antibodies, which target the body's own cell nuclei. A positive result reflexes to a titer and pattern, and can help assess suspected autoimmune conditions. View details →

Measures androstenedione, a hormone made by the adrenal glands and the ovaries or testes that the body converts into testosterone and estrogen. Can help assess excess androgen. View details →

Measures anti-Mullerian hormone, which reflects the number of eggs remaining in the ovaries. Commonly used to assess ovarian reserve and to plan fertility treatment. View details →

Measures apolipoprotein A-1, the main protein in HDL particles. Can help assess cardiovascular risk, and is sometimes used alongside or instead of a standard HDL measurement. View details →

Measures apolipoprotein B, the protein carried by LDL and other particles that deposit cholesterol in artery walls. Can help assess cardiovascular risk more directly than LDL alone. View details →

Measures how long one part of the blood clotting process takes. Can help assess unexplained bleeding or bruising, and is used to monitor treatment with heparin. View details →

Measures arsenic in the blood, which reflects recent exposure. Sources include contaminated well water, some occupational settings, and certain foods such as seafood and rice. View details →

Measures cadmium in the blood. Cigarette smoke is the most common source, followed by certain industrial work, and long-term exposure mainly affects the kidneys and bones. View details →

Measures the free, active form of calcium in the blood rather than the total. Can help assess calcium and parathyroid problems where a total calcium result may be misleading. View details →

Measures ceruloplasmin, the protein that carries most of the copper in your blood. Can help assess Wilson disease and some disorders of copper balance. View details →

Measures cobalt in the blood. Most often checked in people with metal-on-metal hip implants, where wear can release cobalt, and in certain occupational exposures. View details →

Measures coenzyme Q10, a compound cells use to produce energy. Sometimes checked in people taking statins or with conditions affecting muscle or heart energy production. View details →