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TACROLIMUS (FK 506), (087-0080)
Test Mnemonic:

FK506

Specimen Requirements:
Collection:

3 mL Lavender topped tube (EDTA).

Storage/Transport:

Deliver specimen to Sample Management after collection. 

Specimen Preparation:

Do not centrifuge specimen.

Stability:

Specimens collected in EDTA tubes may be stored for up to 7 days refrigerated prior to be tested.  If testing will be delayed more than 7 days, store frozen (-10°C or colder).    Do not centrifuge.

Causes for Rejection:

Incorrect vacutainer tube, clotted sample, incomplete and/or incorrect sample identification, improper storage/transport.                      

Reference Range:

By report (reports may vary based on instrumentation, patient age and sex)

Turnaround Time:

All Samples: 2 hours upon receipt; Test is performed daily (0700 - 1500 pm).

Methodology:

CMIA

Performed:

Special  Chemistry

CPT 4 Code:

80197

When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent.
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