89320:VITAMIN D, 1, 25-DIHYDROXY

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89320:VITAMIN D, 1, 25-DIHYDROXY
Alias Names: Calcitroil
Methodology: Radioimmunoassay (RIA)
Edit Date: 3/29/2010
Performed: Daily
Released: 2-4 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 82652-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL lavender top tube (EDTA).
Handling: Allow to clot, centrifuge and separate serum or plasma from cells.
Stability: 72 hours ambient, 7 days refrigerated, or 6 months frozen.
Standard Volume: 1 mL serum or plasma.
Minimum Volume: 0.8 mL serum or plasma.
Transport: Ambient or refrigerated.
Comments: This test is primarily indicated during patient evaluation for hypercalcemia and renal failure. A normal result does not rule out Vitamin D deficiency. The recommended test for diagnosing Vitamin D deficiency is Vitamin D, 25-hydroxy (43370)

15-75 pg/mL

PeaceHealth Laboratories