Test Details

Mnemonic

PHNYF

Ordering Code

1750052

CPT-4 Code(s)

80186

Specimen Information

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells and send 3.0 mL serum in a screw capped plastic vial.

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Serum separator tube (SST), whole blood

Stability

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

Methodology

Enzyme Immunoassay
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Reference Range

Therapeutic: 0.8 - 2.0 µg/mL
Toxic: >3.0 µg/mL
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Performing Laboratory

Warde Medical Laboratory
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