Test Details

Mnemonic

PHGB

Ordering Code

3422340

CPT-4 Code(s)

83051

Specimen Information

Collect

Green sodium heparin

Specimen Preparation

Separate plasma from cells within 1 hour of collection and send 1.0 mL plasma in a screw capped plastic vial. DO NOT FREEZE SPECIMENS.

Alternate Specimen

Plasma: Lithium heparin

Minimum Volume

0.2 mL

Transport Temperature

Refrigerated

Rejection Criteria

Sodium citrate

Stability

Room temperature: 7 days
Refrigerated: 7 days
Frozen: Unacceptable

Methodology

Colorimetric
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Reference Range

<8.4 mg/dL
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Performing Laboratory

Quest SJC
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