Updated Test

Effective Date

08/22/2023

Notes

QSJC # 13031 Reactivating test

Specimen Information

Collect

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Serum separator tube (SST)

Specimen Preparation

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Allow sample to clot completely at room temperature before centrifugation. Centrifuge and separate serum from cells within 1 hour of collection. Send 1.0 mL serum refrigerated in a screw capped plastic vial.

Alternate Specimen

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Serum: Red top
Plasma: Lavender EDTA or Green lithium heparin

Minimum Volume

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0.5 mL

Transport Temperature

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Refrigerated

Rejection Criteria

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Hemolyzed sample or hemolysis, body fluids.

Stability

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Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 90 days

Methodology

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Quantitative Enzyme Immunoassay

Reference Range

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0 - 10 mcgmol/L

Performing Laboratory

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Quest SJC

Days Performed

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Tuesday, Thursday, Saturday

Turnaround Time

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3 - 6 days