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HelpTest Code LAB12381 Vitamin D 1,25 Dihydroxy
Department
Send Outs
Reference Lab Test Number
125VD
Refer To
Warde Medical LaboratoryPrimary Collection Container
Gold (SST)
Alternate Collection Container
Red (No Gel)
Lavender 6 mL (K3EDTA)
Transport
Serum refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge, separate serum from cells and send serum in a screw capped plastic vial.
Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: Undetermined
Minimum Testing Volume
0.5 mL
Reference Range
20-79 pg/mLVitamin D 1, 25 dihydroxy levels should be primarily used to assess Vitamin D status in patients with renal disease and hypercalcemia.
Vitamin D 1, 25 dihydroxy levels are generally less than 5 pg/mL in end stage renal disease patients.
The preferred initial test for assessing vitamin D status in the general population in Vitamin D.
Methodology
Chemiluminescence
Performed
Monday – Friday
Reported
2-4 days
CPT Codes
82652
Unacceptable Conditions
Hemolysis, gross lipemia, EDTA plasma from Dark blue EDTA collection tube