Test Code LAB874 Cyclosporine, Blood
Reporting Title
Cyclosporine Level
Performing Laboratory
OhioHealth Laboratory Services - RMH Special Testing
Methodology
Enzyme immunoassay
Specimen Collection
Container/Tube: Lavender top (EDTA)
Specimen Volume: 3 mL
Collection Instructions:
1. Collect specimen immediately before a scheduled dose.
2. Do not centrifuge.
3. Send whole blood specimen in original tube. Do not aliquot.
Additional Information: Therapeutic range applies to trough specimens collected immediately prior to a.m. dose.
Reference Values
100-400 ng/mL (trough)
Target steady-state trough concentrations vary depending on the type of transplant, concomitant immunosuppression, clinical/institutional protocols, and time post-transplant. Results should be interpreted in conjunction with this clinical information and any physical signs/symptoms of rejection/toxicity.
Day(s) Performed
Monday through Sunday, Dayshift
Specimen Transport and Storage
Refrigerated (preferred) 7 days, Frozen 30 days, Ambient NO
CPT Coding
80158
Clinical Information
Useful For:
Monitoring whole blood cyclosporine concentration during therapy, particularly in individuals coadministered cytochrome P450 (CYP) 3A4 substrates, inhibitors, or inducers
Adjusting dose to optimize immunosuppression while minimizing toxicity
Evaluating patient compliance