Test Details

Mnemonic

RETBP

Ordering Code

3681310

CPT-4 Code(s)

83883

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum in a screw capped plastic vial.

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Grossly lipemic or hemolyzed specimens

Stability

Room temperature: 4 hours
Refrigerated: 7 days
Frozen: 90 days

Methodology

Quantitative Nephelometry
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Reference Range

3 – 6 mg/dL
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Performing Laboratory

ARUP
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New York DOH Approval Status

Yes
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