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Test Code LAB876 FK506 (Prograf®, Tacrolimus), Blood

Additional Codes

CPT Code: 80197

Performing Laboratory and Testing Schedule

TidalHealth Peninsula Regional - Special Chemistry

Testing is performed on Monday, Wednesday and Friday.

Specimens collected on those days must arrive by 1100 to be tested that day.

Schedule is subject to change based on holidays, instrumentation issues, and reagent availability.

Specimen Requirements

Draw blood in a lavender-top (EDTA) tube, and send 4 mL of EDTA whole blood refrigerated. (Clotted specimen is not acceptable.) Trough specimen is preferred. Minimum volume: 1ml.

Reference Values

5-20 ng/mL  Therapeutic range

Reference range applies to 12 hour trough specimens.

 

Pediatric Critical value (automatic call-back) <16 years old:  ≥25 ng/mL

 

Adult Critical value (automatic call-back) ≥ 16 years old:  >30 ng/mL