TACROLIMUS (PROGRAF, FK506)
Draw blood in a lavender EDTA tube/1.0 mL whole blood refrigerated.
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Room Temperature 24 hours, Refrigerated 14 days, Frozen 14 days
Tacrolimus is an immunosuppressive drug that is believed to prevent rejection in transplantation patients. Measurement of tacrolimus blood levels may be of use in monitoring patients receiving this drug.