Test Name: Cyclosporine
Health Link Test Code: XCYCA
LIS Test Code: CSTD
CPT Code(s): 80158
Days Performed: Daily.
In-Lab Turnaround Time: 1 day.
Cyclosporine level should be determined on trough specimen collected just prior to administration of the next dose.
Collection Container: Lavender top
Collect specimen just before taking next dose.
Collection Volume: 4 mL
Pediatric Collection Volume: 0.5 mL
Sample Analyzed: Whole Blood
Do NOT centrifuge or separate plasma. SEND WHOLE BLOOD.
Transport specimen at ambient temperature to laboratory.
A definitive therapeutic concentration for Cyclosporine has not been established. A concentration of 50-300 ng/mL is generally considered to be therapeutic for individuals 18 years old and older. Test is performed by immunoassay on an Siemens ExL.
Interpretation Type: Interpretive Guidelines
Critical Calls: yes
The reportable range for cyclosporine is 25-2000 ng/mL. Samples less than 25 ng/mL will be reported as < 25 ng/mL.