Vitamin D, 25-Hydroxy
Test Code: 081950
Performing Lab: LabCorp
CPT Code: 82306 001
Synonym
Cholecalciferol Metabolite; 25-Hydroxycalciferol; 25-OH-D; Vitamin D(3) Metabolite
Specimen Type
Serum
Specimen Container
Red-top tube or gel-barrier tube
Volume
0.5 mL
Minimum Volume
0.3 mL (NOTE:This volume does NOT allow for repeat testing.)
Specimen Handling
If tube other than a gel-barrier tube is used, transfer separated serum to a plastic transport tube.
Unacceptable Conditions
Plasma specimen, gross hemolysis, gross lipemia
Temperature
Room temperature
Methodology
Immunochemiluminometric assay (ICMA) This assay is performed on the DiaSorin Liason instrument in multiple laboratories throughout LabCorp. This highly automated test measures both D2 and D3 together and reports a total 25-hydroxy vitamin D. Major clinical studies, including (but not limited to) the Centers for Disease Control (CDC) National Health and Nutrition Examination Survey (NHANES) data base, the Women's Health Initiative (WHI) studies, and the Harvard-based Health Professionals Studies, employed DiaSorin reagents.
Stability
Room Temperature: 7 days
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
| Result Code | Result Name | LOINC |
|---|---|---|
| 081953 | Vitamin D, 25-Hydroxy | 62292-8 |
Select Print Details
Select an option which you would like to print: