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At a Glance
Why Get Tested?
To determine the level of sirolimus in the blood in order to establish a dosing regimen, maintain therapeutic levels, and detect toxic levels
When to Get Tested?
As soon as sirolimus therapy begins and whenever dose is changed; frequently at first, then at regular intervals to monitor concentrations over time; whenever excess or deficient levels are suspected
A blood sample drawn from a vein in your arm
Test Preparation Needed?
None; the sample is typically collected 12 hours after the last dose and immediately prior to the next dose, or as directed by your healthcare provider