Additional Information:
Epic order code: LAB21059501
- This test is not the same as Calcitriol (1,25 di-OH Vitamin D) [081091] (vitamin D3), which must be ordered separately.
CPT Code(s):
82306
Specimen Requirements:
Collect at least 1 mL blood in a red-top (preferred) or gel barrier serology tube. Centrifuge the blood and remove the serum/plasma from the cells within two hours of collection.
Transport/Storage Temperature:
- Refrigerated
Stability (collection to shipping of the samples):
- Refrigerated: 48 hours
Use:
This test aids in:
- The diagnosis of vitamin D deficiency and/or hypervitaminosis D;
- Potential differential diagnosis of rickets and osteomalacia; and
- Tracking vitamin D replaement therapy.
Methodology:
Chemiluminescence
Reported:
1 – 3 days
Reference Values:
20−120 ng/mL