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Therapeutic drug management
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Antihistaminic effect: 30−50 ng/mL; sedative effect: 50−300 ng/mL
Serum or plasma
Serum or plasma should be separated from cells within two hours of venipuncture. Submit serum or plasma in a plastic transport tube.
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen. Specimen is stable for 12 days at room temperature, for 12 days refrigerated, and for 13 days frozen.
Causes for Rejection