Test Details

Mnemonic

A1AG

Ordering Code

3500312

CPT-4 Code(s)

82985

Specimen Information

Collect

Green sodium or lithium heparin

Specimen Preparation

Centrifuge and separate plasma within 2 hours of collection and send 1.0 mL plasma in a screw capped plastic vial.

Alternate Specimen

Serum separator tube (SST)

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Hemolyzed specimens

Stability

Room temperature: 8 hours
Refrigerated: 8 days
Frozen: 3 months

Methodology

Quantitative Nephelometry
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Reference Range

47 - 125 mg/dL
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Performing Laboratory

ARUP
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New York DOH Approval Status

Yes
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