Test Details

Mnemonic

VITD

Ordering Code

1007180

CPT-4 Code(s)

82306

Specimen Information

Patient Preparation

Fasting preferred, but not required.

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells and send 0.8 mL serum in a screw capped plastic vial

Alternate Specimen

Serum: Red top

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Hemolyzed or moderately lipemic specimens, plasma

Stability

Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days

Methodology

Chemiluminescence
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Reference Range

Vitamin D sufficiency: 30-100 ng/mL
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Performing Laboratory

Quest Valencia
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