Specimen Requirements

Title

Tacrolimus (Prograf, FK506)

Specimen Requirement

Collect lavender EDTA/1.0 mL whole blood and send in original collection tube.

Methodology

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Stability

Room temp: 24 hours, Refrigerated: 14 days, Frozen: 14 days

Reference Range

The reference range is determined by the performing laboratory and will show on the report.

Turnaround

2-3 days

Clinical Use

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.

Test Code

TACRO