Test Code LAB1832 Tacrolimus Level
Aliases
TAC
FK506
FK-506
Special Collection Notes
Collect trough levels 30 minutes prior to next dose.
Mix well after collection to prevent clotting – Do NOT CENTRIFUGE.
This test CANNOT share containers with any other test.
Specimen Type
Whole Blood:
Purple Top Tube-EDTA
Processing Instructions
Mix well after collection.
DO NOT CENTRIFUGE.
Store and send sample refrigerated via courier.
Specimen Volume
Preferred: 0.5 mL
Minimum: 0.3 mL
Temperature
Refrigerated
Sample Stability
Ambient: Not recommended
Refrigerated: 7 days
Frozen @-18 Celsius: 6 months. Avoid more than 3 freeze/thaw cycles.
Test/Batch Schedule
Runs daily @ 11am
TAT
Routine: 24 hours
STAT: 120 minutes
Method
Chemiluminescent microparticle immunoassay (CMIA)
Test Components
Tacrolimus Level
Reference Range
5.0-15.0 ng/mL
CPT
80197
Performing Section
Chemistry
Purpose/Principle
Assists in the management Tacrolimus therapy for patients who have received liver or kidney transplants.