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Calcitriol
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
VDCAL
Alias/See Also
75787;
16558;
Vitamin D Dihydroxy;
1,25 Dihydroxy Vit D
16558;
Vitamin D Dihydroxy;
1,25 Dihydroxy Vit D
CPT Codes
82652
Preferred Specimen
serum
Minimum Volume
1 mL
Other Acceptable Specimens
plasma from Lithium Heparin (Light Green Top) tube
Instructions
Barrier tubes (serum separator tubes or plasma separator tubes) are preferred. If non-barrier tubes are utilized, the serum/plasma must be removed immediately after centrifuging and placed in a screw-cap transfer tube.
Collection notes: Avoid hemolysis. Invert tubes at least 8 times. Allow to clot in an upright position for 30 minutes. Within 2 hours, centrifuge tubes 10 minutes. Keep tightly stoppered.
Do NOT re-centrifuge tubes. Do NOT freeze the primary collection tube.
Collection notes: Avoid hemolysis. Invert tubes at least 8 times. Allow to clot in an upright position for 30 minutes. Within 2 hours, centrifuge tubes 10 minutes. Keep tightly stoppered.
Do NOT re-centrifuge tubes. Do NOT freeze the primary collection tube.
Transport Container
Original tube preferred, may be sent in a screw-top transfer tube.
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature = 24 hours
Refrigerated = 7 days
Frozen = 2 months
Refrigerated = 7 days
Frozen = 2 months
Methodology
Immunoassay
Setup Schedule
Monday and Friday
Report Available
daily
Clinical Significance
This test is used in the differential diagnosis of Hypocalcemia and to monitor patients with Renal Osteodystrophy or Chronic Renal Failure.
Performing Laboratory
Compunet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439
Last Updated: November 19, 2021