FAZAT - Clinical: Azathioprine (Imuran) as 6-Mercaptopurine

Test Catalog

Test Name

Test ID: FAZAT    
Azathioprine (Imuran) as 6-Mercaptopurine

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

Units:                ng/mL


Azathioprine is measured as the metabolite, 6-mercaptopurine. Therapeutic and toxic ranges have not been established. Usual therapeutic doses produce 6-mercaptopurine serum concentrations of less than 1000 ng/ml.