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Therapeutic drug management
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Therapeutic range has not been established. Expected serum concentrations in patients taking recommended daily dosages: up to 10.00 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.
Causes for Rejection
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