Test Details

Mnemonic

CPEP

Ordering Code

1000780

CPT-4 Code(s)

84681

Specimen Information

Collect

Red top
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Specimen Preparation

Centrifuge, separate serum from cells and freeze within 1 hour of collection. Send 1.0 mL serum frozen in a screw capped plastic vial. CRITICAL FROZEN.
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Alternate Specimen

Serum separator tube (SST)
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Minimum Volume

0.5 mL
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Transport Temperature

Critical frozen
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Rejection Criteria

Grossly icteric and lipemic specimens, hemolyzed specimens, and plasma
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Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 14 days
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Methodology

Chemiluminescence
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Reference Range

0.8 - 3.9 ng/mL
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Performing Laboratory

Warde Medical Laboratory
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