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St. John Health System
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Cyclosporine Level Peak

Order Name CYCLO PEAK
Test Number: 2015325
Revision Date 05/03/2021
Test Name Methodology LOINC Code
Cyclosporine Level Peak
Chemiluminescent Micropartical Immunoassay 53834-8 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2 mL (1.0) Whole Blood EDTA (Lavender Top) Refrigerated
Instructions Peak: draw 2 hours after medication.
Stability: Ambient 24 hours. Refrigerated 7 days. Frozen > 7 days.
GENERAL INFORMATION
Testing Schedule Mon - Fri 
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 updated stability - JK
5/22/18 removed RB collection text - 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