Chromium is a mineral that affects insulin, carbohydrate, fat, and protein levels in the body. This article discusses the test to check the amount of chromium in your blood.
A blood sample is needed. For information on how this is done, see: Venipuncture
No special preparation is necessary for this test.
When the needle is inserted to draw blood, you feel moderate pain, or only a prick or stinging sensation. Afterward, there may be some throbbing.
This test may be done to diagnose chromium poisoning or deficiency.
Mason JB. Nutritional assessment and management of the malnourished patient. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease. 9th ed. Philadelphia, Pa: Saunders Elsevier; 2010:chap 4.
Mason JB. Vitamins, trace minerals, and other micronutrients. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 237.
National Institutes of Health. Chromium. Dietary Supplement Fact Sheet. Available at:
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