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Therapeutic drug management
Gas chromatography/nitrogen phosphorus detection (GC/NPD); gas chromatography/mass spectrometry (GC/MS)
Serum or plasma
Serum or plasma should be separated from cells within two hours of venipuncture. Submit specimen in a plastic transport tube.
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Causes for Rejection