Home
HelpTest ID FAZAT Azathioprine (Imuran) as 6-Mercaptopurine
Specimen Required
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (sodium heparin) tube(s), plasma gel tube is not acceptable. Spin down and send 2 mL of sodium heparin plasma refrigerated in a plastic vial.
Serum
Draw blood in a plain, red-top tube(s), serum gel tube is not acceptable. Spin down and send 2 mL of serum refrigerated in a plastic vial.
Method Name
High Performance Liquid Chromatography with Ultraviolet Detection (HPLC-UV)
Reporting Name
Azathioprine (Imuran)Specimen Type
VariesSpecimen Minimum Volume
0.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Varies | Refrigerated (preferred) | 14 days |
| Frozen | 180 days | |
| Ambient | 72 hours |
Reference Values
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.
Day(s) Performed
Monday through Sunday
Report Available
5 to 9 daysPerforming Laboratory
Medtox Laboratories, Inc.CPT Code Information
80299