Specimen Requirements
Title
Cyclosporine
Specimen Requirement
Draw blood in a lavender EDTA tube/1.0 mL whole blood refrigerated.
Collect just prior to AM dose.
Methodology
Stability
Room Temp 24 hours; Refrigerated 14 days; Frozen 14 days
Reference Range
By Report*
Turnaround
1-2 days
Clinical Use
High cyclosporine levels can lead to nephrotoxicity; low levels can lead to organ rejection following transplant. Peak concentrations are reached at around 3.5 hours after oral dosage. Elimination half-life is 10-27 hours.
Test Code
CYCLW