Vitamin D, 1, 25-Dihydroxy

Collection Instruction

4.0 mL blood in gold-top tube(s), red-top tube(s), lithium heparin or EDTA tube(s). Allow gold or red-top tube to sit for 15-20 minutes at room temperature for proper clot formation. Spin down and separate serum or plasma from cells ASAP or within 2 hours of collection.

Specimen Stability

1 Week Ambient; 2 Weeks (Refrigerated 2-8°C); 6 Months (Frozen -70°C)

CPT Code(s)

82652

Turnaround Time

72 Hours

Reference Range