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St. John Health System
Lab Catalog


Index:

CA 125 Assay

Order Name CA125
Test Number: 2015625
Revision Date 04/17/2019
Test Name Methodology LOINC Code
CA 125 Assay
Chemiluminescence Assay 10334-1 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2mL (1mL) Serum Clot Activator SST Refrigerated
Alternate 1 2mL (1mL) Plasma Lithium Heparin PST (Light Green Top) Refrigerated
Instructions Stability: Ambient 1 day. Refrigerated 7 days. Frozen > 7 days.
Unacceptable: gross hemolysis
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 4/13/17 - Added gross hemolysis unacceptable per shannon in Chem - JLS
7/14/17 - updated stability - JK
2/27/17 added loinc 10334-1 - JK
5/22/18 removed Re-baseline Order Code ( 2015626 ) Re-Baseline: CA 125   /   Result Code ( 2015626 ) RB CA 125 - JK
6/14/18
Stability: Ambient=8 hours; Refrigerated=24 hours; Freeze if testing cannot be started within 24 hours to
Stability: Ambient 1 day. Refrigerated 7 days. Frozen > 7 days. JK
4/17/19 trans temp changed from see instructions to refrig - JK
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Chemistry