Test ID: 25OHD
CPT code: 82306
Specimen Type: SERUM
Frequency: Setup: Mon-Fri; TAT 2-3 days
Instructions: 1.0 mL serum from SST, refrigerated. Min 0.3 mL.
Text: Measurement of serum 25-OH vitamin D concentrations provide a good index of circulating vitamin D activity in patients not suffering from renal disease. Lower than normal 25-OH vitamin D levels can result from a dietary deficiency, poor absorption of the vitamin or impaired metabolism of the sterol in the liver.
Methodology: Chemiluminescence Assay