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
Refrigerated: 7 days
Frozen: Unacceptable
Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry
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
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
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
No