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.
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Collect

Red-top
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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 frozen in a screw capped plastic vial. CRITICAL FROZEN.
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Alternate Specimen

Plasma: EDTA
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Minimum Volume

0.5 mL
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Transport Temperature

Critical Frozen
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Rejection Criteria

Hemolyzed specimens, heat inactivated samples, SST, specimens stabilized with azide
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Stability

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

Electrochemiluminescence
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Reference Range

See report
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Performing Laboratory

Quest Valencia
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