VITAMIN D 1,25 DIHYDROXY

Test Code

125VD

CPT Codes
82652

Preferred Specimen

1 Gold tube (gel separator)

Minimum Volume

0.5 mL

Other Acceptable Specimens

1 Pearl tube (gel separator)

Instructions

Centrifuge for complete separation of serum or plasma and red cells

Transport Temperature

Refrigerated

Specimen Stability

After sample has been separated from cells:

15-30°C up to 7 days
2-8°C up to 14 days
Frozen up to 6 months

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Grossly hemolyzed, lipemic or icteric samples will be rejected

Methodology
Chemiluminescent immunoassay (CLIA)

Setup Schedule

M, Tu, Th, F only

Report Available

Within 24 hours of receipt on the day tested at the performing laboratory.

Reference Range

19.9 - 79.3 pg/mL

Clinical Significance

May be useful for evaluating calcium metabolism in individuals with hypercalcemia or renal failure in addition to Vitamin D, 25-Hydroxy testing. Test is not appropriate for diagnosing Vitamin D deficiency or insufficiency.

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NIM6 (Immunology, Diasorin Liason)

Last Updated: June 13, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.