Biomarkers: explore one system at a time

Showing 481–500 of 1204 results

• Fluoride Measures the level of fluoride in your blood, used to assess exposure from water, dental products, supplements or other sources.
• Fluoride, Random Measures fluoride in a random urine sample to help assess your recent fluoride exposure from water, dental products or other sources.
• Folate Vitamin B9, needed for cell division, DNA synthesis, and red blood cell production. Low levels can cause a type of anemia and are important in pregnancy.
• Folate (RBC) Measures folate stored inside red blood cells, giving a picture of your longer-term folate status over the past few months.
• Follicle-Stimulating HormoneFSH A pituitary hormone that drives egg development in women and sperm production in men. Key marker for fertility and menopause evaluation.
• Formaldehyde/formalin (k80) IgE Measures IgE antibodies to formaldehyde to check for allergic sensitization in people exposed to it at work or through household products.
• Free T4 IndexT7 Free Thyroxine Index — a calculated estimate of free T4 thyroid hormone, adjusting total T4 for binding protein levels.
• Free Testosterone (%) The percentage of your total testosterone that circulates unbound, measured by ultrafiltration and used to work out your free testosterone level.
• Free Testosterone, Direct (Analog Immunoassay) Directly measures the small, unbound portion of testosterone that's biologically active in your tissues.
• Fructosamine Reflects your average blood sugar over the past 2-3 weeks, useful as a shorter-term alternative to HbA1c.
• Fusarium moniliforme (m9) IgE Measures IgE antibodies to Fusarium, a mold found on plants, grains and soil, to check for allergic sensitization to its spores.
• Galactose-Alpha-1,3-Galactose (Alpha-Gal) IgE Measures IgE antibodies to alpha-gal, a sugar found in red meat, used to investigate delayed allergic reactions linked to tick bites.
• Galectin-3 A protein linked to inflammation and scarring in the heart, measured to help assess outlook and risk in people with heart failure.
• Gamma Globulin The protein fraction that includes most of your antibodies (immunoglobulins). Elevated levels can reflect chronic infection, inflammation, or certain blood disorders.
• Gamma-Glutamyl TransferaseGGT Gamma-glutamyl transferase, a liver enzyme sensitive to bile duct problems and alcohol use, often used alongside other liver tests.
• Garlic (f47) IgE Measures IgE antibodies to garlic to check for allergic sensitization that may explain reactions after eating or handling garlic.
• Garlic (f47) IgG4 Measures IgG4 antibodies to garlic, a marker of dietary exposure whose link to food-related symptoms is debated.
• Gastrin A hormone that stimulates stomach acid production. Elevated levels can indicate conditions like Zollinger-Ellison syndrome or chronic acid-suppressing medication use.
• Gelatin, Bovine(c74) IgE Measures IgE antibodies to bovine gelatin to check for allergic sensitization relevant to foods, capsules and some vaccines that contain gelatin.
• Gerbil (e209) IgE Measures IgE antibodies to gerbil proteins to check for allergic sensitization in people who keep gerbils or work with small rodents.