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Methodology: High Performance Liquid Chromatography / Tandem Mass Spectrometry (LC/MS/MS)
Edit Date: 8/19/2008
Performed: Monday, Wednesday, Friday
Released: 72 hours after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 82542-90
Specimen Collection Details
Collection: One 5 mL red top tube. Do not use serum separator tube (SST) or plasma separator tube (PST). Draw prior to dosing.
Handling: Allow to clot, centrifuge and separate serum from cells and pour into a plastic vial.
Stability: 7 days ambient or refrigerated, or 14 days frozen.
Standard Volume: 2 mL serum.
Minimum Volume: 1 mL serum.
Transport: Refrigerated.
Comments: A trough serum draw is recommended for therapeutic drug monitoring.
Rejection Criteria: Specimen collected in SST or PST.

Reference Range:
By report.

PeaceHealth Laboratories