Specimen Requirements
Title
VITAMIN D, 25-HYDROXY
Specimen Requirement
1 SST/2.0 mL serum. After 30 minutes of clotting, promptly centrifuge and refrigerate.
Methodology
Stability
Room Temperature Unacceptable, Refrigerated 5 days
Reference Range
By Report
Turnaround
1-2 days
Clinical Use
Rule out vitamin D deficiency as cause of bone disease; differential diagnosis of hypercalcemia
Test Code
VITDG