Test Details

Mnemonic

THCSQ

Ordering Code

3600024

CPT-4 Code(s)

80349 (G0480)

Specimen Information

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Plasma: Gray sodium fluoride, green sodium heparin, lavender EDTA

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Serum separator tube (SST) or Plasma separator tube (PST), hemolysis, light blue (sodium citrate)

Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 3 years

Methodology

Quantitative Liquid Chromatography/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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