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Labcorp Oklahoma, Inc.
Test Directory


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Prograf (FK506) Tacrolimus

Order Name PROGRAF
Test Number: 4503275
Revision Date 05/28/2021
Test Name Methodology LOINC Code
Prograf (FK506) Tacrolimus
Chemiluminescent Micropartical Immunoassay 11253-2 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Whole Blood EDTA (Lavender Top) Refrigerated
Instructions To be drawn 12 hours after dose for 12 hour trough or 24 hour after dose for 24 hour trough.
Whole Blood Stability: Stability: Ambient 1 day. Refrigerated 7 days, Frozen 6 months
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 24hrs (same day if specimen is in lab by 11am)  
Clinical Use Useful for assessing the adequacy of systemic drug delivery since metabolism can exhibit significant variability. 
Notes Also known as Tacrolimus
CPT Code(s) 80197
Lab Section Chemistry