Test Details

Mnemonic

OSTEC

Ordering Code

3702450

CPT-4 Code(s)

83937

Specimen Information

Patient Preparation

Patient cannot have biotin within 8 hours of draw. Specimens where patient used biotin within 8 hours will be rejected.

Collect

Red top

Specimen Preparation

Allow blood to clot at room temperature, spin and separate serum from cells within 2 hours and freeze. Send 1.0 mL serum in a screw capped plastic vial. CRITICAL FROZEN.

Alternate Specimen

Plasma: EDTA

Minimum Volume

0.5 mL

Transport Temperature

Critical Frozen

Rejection Criteria

Hemolyzed specimens, heat inactivated samples, Serum separator tube (SST), specimens stabilized with azide

Stability

Room temperature: Unacceptable
Refrigerated: 24 hours
Frozen: 21 days

Methodology

Electrochemiluminescence
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Reference Range

See report
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Performing Laboratory

Quest Valencia
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