Laboratory: Clinical Biochemistry  (METABOLIC)
Test Name:
TACROLIMUS (FK506) - (B)
Test Code: FK5
Clinical Information:
Only pre-dose (trough) specimens should be analyzed.  Specimen must arrive before 0930h if results required the same day.
Alternate name:  FK506
For more information see:
Phlebotomy and Therapeutic Drug Monitoring
Collection Devices:
Specimen Required:
Whole Blood: 1.0 mL
Pediatric Whole Blood: 0.5 mL

Pre-dose specimen is required.
Stability:
- 4 days at room temperature
- 7 days at 2 - 8 ° C
Referral:
Whole Blood: 1.0 mL

Store and ship refrigerated temperature.
Requisition:
Reference Values:
Trough level (therapy initiated):           < 15 μg/LTrough level (therapy steady state):        3-8 μg/L
Availability:
Daily
See Also:
More Information:
Store and send whole blood refrigerated. 
Test performed at:
Health Sciences Centre by Shared Health Biochemical Genetics Laboratory using UPLC/MS/MS.  This is a laboratory developed test.