Test Details

Mnemonic

CARBF

Ordering Code

1750262

CPT-4 Code(s)

80157

Specimen Information

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum refrigerated in a screw capped plastic vial.

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Serum separator tube (SST)

Stability

Room temperature: 24 hours
Refrigerated: 14 days
Frozen: 14 days

Methodology

High Performance Liquid Chromatography
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Reference Range

Therapeutic: 0.9 – 3.8 µg/mL
Toxic: >4.0 µg/mL
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Performing Laboratory

Warde Medical Laboratory
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New York DOH Approval Status

No
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