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St. John Health System
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Cyclosporine Level Trough

Order Name CYCLO TROU
Test Number: 2015525
Revision Date 06/15/2018
Test Name Methodology LOINC Code
Cyclosporine Level Trough
Chemiluminescent Micropartical Immunoassay 53828-0 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2 mL (1.0) Whole Blood EDTA (Lavender Top) Refrigerated
Instructions Trough: draw before next dose.
Stability: Ambient 24 hours. Refrigerated 7 days. Frozen > 7 days.
GENERAL INFORMATION
Testing Schedule Twice Daily 
Expected TAT 1-2 days 
Clinical Use This test is used to monitor blood concentration of Cyclosporine A. 
CPT Code(s) 80158
Internal Comments 9/19/17 up stability - JK
5/2/18 removed RB collection text 0-JK
6/15/18 Specimen stability: Ambient= 8 hours; Refrigerated= 7 days; Frozen= 1 month to
Stability: Ambient 24 hours. Refrigerated 7 days. Frozen > 7 days. JK
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Chemistry