Test Details

Mnemonic

CARFT

Ordering Code

3607300

CPT-4 Code(s)

82379

Specimen Information

Collect

Green sodium heparin or lithium

Specimen Preparation

Centrifuge, separate plasma within 2 hours and send 0.5 mL plasma frozen within 2 hours in a screw capped plastic vial. CRITICAL FROZEN.

Alternate Specimen

Serum: Red top

Minimum Volume

0.2 mL

Transport Temperature

Critical frozen

Rejection Criteria

Sample not frozen within 12 hours

Stability

Room temperature: Unacceptable
Refrigerated: 12 hours
Frozen: 30 days

Methodology

Tandem Mass Spectrometry
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Reference Range

See report
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Performing Laboratory

ARUP
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New York DOH Approval Status

Yes
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