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
Refrigerated: 14 days
Frozen: 3 years
Methodology
Quantitative Liquid Chromatography/Tandem Mass Spectrometry
Reference Range
See report
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes