Test Details

Mnemonic

FK506

Ordering Code

1757110

CPT-4 Code(s)

80197

Specimen Information

Collect

Lavender EDTA

Specimen Preparation

Send 1.0 mL whole blood.

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Clotted sample

Stability

Room temperature: 24 hours
Refrigerated: 7 days
Frozen: Unacceptable

Methodology

High Performance Liquid Chromatography/Tandem Mass Spectrometry
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Reference Range

5 - 20 ng/mL
Toxic: >26 ng/mL

Organ Post Transpl. (months) Trough Level
Kidney Up to 3 7.0 - 20.0 ng/mL
>3 5.0 - 15.0 ng/mL

Heart Up to 3 10.0 - 20.0 ng/mL
>3 5.0 - 15.0 ng/mL

Liver Up to 12 5.0 - 20.0 ng/mL
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Performing Laboratory

Warde Medical Laboratory
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New York DOH Approval Status

No
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