Tacrolimus

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Also known as: FK506; TAC
Formal name: Tacrolimus

At a Glance

Why Get Tested?

To measure the concentration of tacrolimus in the blood in order to establish the correct dose, maintain therapeutic levels and detect toxic levels

When to Get Tested?

As soon as tacrolimus therapy begins, frequently at first then at regular intervals to monitor concentrations over time

Sample Required?

A blood sample taken from a vein in your arm

Test Preparation Needed?

Have the sample collected 12 hours after the last dose and/or immediately prior to the next dose or as directed by your doctor