Test Details

Mnemonic

125VD

Ordering Code

1007190

CPT-4 Code(s)

82652

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

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

Alternate Specimen

Plasma: EDTA, heparin
Serum: Red top

Minimum Volume

0.5 mL

Rejection Criteria

Hemolysis, gross lipemia, EDTA plasma from Dark blue EDTA collection tube

Stability

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

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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