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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.