Tacrolimus (FK 506) is an immunosuppresive drug used in organ transplantation to prevent graft rejection.Therapeutic drug monitoring is useful to optimize dose and avoid toxicity.
Specimen must be kept capped before tested and needs to be tested within 30 minutes of the cap being open.
Drug regimens, time and date of drug administration are to be noted on requisition. Therapeutic range applies to trough specimens drawn just before AM dose.
Optimal time to draw specimen: 0.5 - 1 hour before next oral dose.
Whole Blood collected in Lavender top tube must fill at least 1/3 of the collection tube.
Clotted specimen
Gel barrier tube
Preferred
5.0 - 20.0 ng/mL
Tacrolimus (FK 506) is an immunosuppresive drug used in organ transplantation to prevent graft rejection.Therapeutic drug monitoring is useful to optimize dose and avoid toxicity.
1 to 2 days
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