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St. John Health System
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Index:

CA 125, Serous Fluid

Order Name SRS CA125
Test Number: 2015430
Revision Date 06/14/2018
Test Name Methodology LOINC Code
CA 125, Serous Fluid
Chemiluminescence Assay 11210-2 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Serous Fluid Sterile Screwtop Container Refrigerated
Instructions Venous blood is often drawn simultaneously. Note fluid type on requisition and container.
Stability: Ambient 1 day. Refrigerated 7 days. Frozen > 7 days.
GENERAL INFORMATION
Testing Schedule Mon - Fri 
Expected TAT 1-3 days 
Clinical Use Useful in the follow-up management of patients undergoing cancer therapy, especially for ovarian carcinoma. 
CPT Code(s) 86304
Internal Comments 6/12/17 added instruction: Freeze if testing cannot be started within 24 hours of collection - JK
12/18/17 corrected from old test code 2015425 to new test code 2015430 - JK
6/14/18 change from
Specimen stability: Ambient 8 hours. Refrigerated 24 hours. Freeze if testing cannot be started within 24 hours of collection
to  Stability: Ambient 1 day. Refrigerated 7 days. Frozen > 7 days.  JK
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Chemistry