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Therapeutic drug management
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Serum or plasma
Red-top tube or green-top (heparin) tube. Gel-barrier tubes are not recommended.
Trough levels are most reproducible.
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 one day at room temperature, for seven days refrigerated, and for one year frozen.
Causes for Rejection
|Order Code||Order Code Name||Order Loinc||Result Code||Result Code Name||UofM||Result LOINC|
|808300||Baclofen (Lioresal)||808301||Baclofen (Lioresal)||ng/mL||9353-4|