Category: Blood

Test Details Synonyms Free T3 T3, Free Use Evaluate thyroid function and assess abnormal binding protein disorders.

Test Details Synonyms T3, Total Use Thyroid function which is particularly useful in the diagnosis of T3 thyrotoxicosis, in which T3 is increased and T4 is within normal limits. T3 toxicosis is occasionally found in Graves’ disease. It occurs with a single toxic nodule, multinodular thyrotoxicosis,

Test Details Synonyms UA Urate Use Uric acid measurements are useful in the diagnosis and treatment of gout, renal failure, and a variety of other disorders including leukemia, psoriasis, starvation, and other wasting conditions. Patients receiving cytotoxic drugs may be monitored with uric

Test Details Synonyms Chickenpox Titers Herpes Zoster Antibodies VZV IgG Use Diagnose VZV infection; determine adult susceptibility to infection. Additional Information Although most cases of varicella or zoster are clinically unambiguous, serology may be occasionally useful in the differential

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 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 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 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

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