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Test Code LAB1832 Tacrolimus Level

Aliases

TAC
FK506
FK-506

Purpose/Principle

Assists in the management Tacrolimus therapy for patients who have received liver or kidney transplants.

Performing Section

Chemistry

Specimen Type

Whole Blood:
Purple Top Tube-EDTA

Specimen Volume

Preferred: 0.7 mL
Minimum: 0.5 mL

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.

Processing Instructions

Mix well after collection.
DO NOT CENTRIFUGE.
Store and send sample refrigerated via courier.

Temperature

Refrigerated

Sample Stability

Ambient: Not recommended
Refrigerated: 7 days
Frozen @-18 Celsius: 6 months. Avoid more than 3 freeze/thaw cycles.

TAT

Routine: 24 hours
STAT: 120 minutes

Test/Batch Schedule

Runs daily @ 11am

Method

Chemiluminescent microparticle immunoassay (CMIA)

Test Components

Tacrolimus Level

Reference Range

5.0-15.0 ng/mL

CPT

80197