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Methodology: Gas Chromatography-Mass Spectrometry (GC-MS) / Gas Chromatography-Nitrogen Phosphorus Detection (GC-NPD)
Edit Date: 11/13/2008
Performed: Wednesday, Friday
Released: 5-7 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 83992-90
Specimen Collection Details
Collection: One 5 mL red top tube. Do not use serum separator tube (SST). Also acceptable: Plasma (any type). Chain of custody is recommended.
Handling: Centrifuge and separate serum or plasma into a plastic vial.
Standard Volume: 3 mL serum or plasma.
Minimum Volume: 1.2 mL serum or plasma (micro method; does not allow for repeat testing or confirmations).
Transport: Refrigerated.
Rejection Criteria: Use of serum separator tube (SST).

PeaceHealth Laboratories