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Methodology: Gas Chromatography (GC)
Edit Date: 6/11/2010
Performed: Monday-Thursday
Released: 48-72 hours after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 82491-90
Specimen Collection Details
Collection: One 5 mL red top tube. Also acceptable: One 2 mL grey top tube (potassium oxalate/sodium fluoride) or 4 mL lavender top tube (EDTA). Do not use serum separator tube (SST) or plasma separator tube (PST).
Handling: Allow to clot, centrifuge and separate serum or plasma from cells into a plastic vial.
Stability: 7 days ambient, 30 days refrigerated, or 30 days frozen.
Standard Volume: 1 mL serum or plasma.
Minimum Volume: 0.4 mL serum or plasma.
Transport: Refrigerated.
Comments: Useful for therapeutic drug monitoring.
Rejection Criteria: Use of SST or PST.

PeaceHealth Laboratories