Category: Vitamins

Test Details Synonyms Biotin Use Measurement of vitamin B7 level Additional Information Biotin is a colorless, water-soluble B-complex vitamin that is also referred to as vitamin B7.1-3 Biotin functions as a cofactor for five mammalian enzymes that catalyze specific carboxylation reactions

Test Details Synonyms A, Vitamin Retinol, Serum Use Differential diagnosis of hypervitaminosis A. A combination of a low serum carotene level and a low vitamin A suggests inadequate vitamin A nutrition.

Test Details Synonyms Biotin Use Measurement of vitamin B7 level Additional Information Biotin is a colorless, water-soluble B-complex vitamin that is also referred to as vitamin B7.1-3 Biotin functions as a cofactor for five mammalian enzymes that catalyze specific carboxylation reactions

Test Details Synonyms A, Vitamin Retinol, Serum Use Differential diagnosis of hypervitaminosis A. A combination of a low serum carotene level and a low vitamin A suggests inadequate vitamin A nutrition.

Test Details Synonyms 25-Hydroxycalciferol 25-OH-D Cholecalciferol Metabolite Vitamin D3 Metabolite Use Rule out vitamin D deficiency.

Test Details Synonyms Ascorbic Acid C, Vitamin Use Evaluation of vitamin C deficiency. Additional Information Serum levels of vitamin C are an adequate measurement of clinical status. Vitamin C is a cofactor for protocollagen hydroxylase; it promotes the conversion of tropocollagen to collagen

Use Detect B12 deficiency as in pernicious anemia; diagnose folic acid deficiency; evaluate hypersegmentation of granulocyte nuclei; follow up MCV >100; diagnose macrocytic anemia; diagnose megaloblastic anemia; evaluate alcoholism, prenatal care; evaluate malabsorption, neurological disorders,