Test Details

Mnemonic

125VD

Ordering Code

1007190

CPT-4 Code(s)

82652

Specimen Information

Collect

Serum separator tube (SST)
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Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum refrigerated in a screw-capped plastic vial.
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Alternate Specimen

Plasma: EDTA, heparin
Serum: Plain red-top
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Rejection Criteria

Hemolysis, gross lipemia
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Stability

Room temperature: 24 hours
Refrigerated: 14 days
Frozen: 14 days
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Methodology

Chemiluminescence
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Reference Range

20-79 pg/mL
Vitamin 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.
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Performing Laboratory

WARDE MEDICAL LABORATORY
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