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HelpTest Code LAB155 Cancer Antigen 125 (CA 125)
Performing Laboratory
Barnes-Jewish Hospital Laboratory
Methodology
Cobas ECLIA electrochemiluminescence
Results from different manufacturers or methods may not be comparable. Serial testing should be performed using the same method.
Literature Reference:
Package insert: Cancer Antigen 125 CA 125 II. Roche Corporation 09/2020.
Specimen Requirements
Specimen Type: Plasma
Container/Tube: Mint green tube
Specimen Volume: Full tube
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: not available
Routine: results available 2-4 hours of receipt
Test Classification and CPT Coding
86304
Reference Values
≤ 38.1 Units/mL
Literature References:
Package insert: Cancer Antigen 125 CA 125 II. Roche Corporation 09/2020.
Specimen Transport Temperature
Refrigerate
Additional Information
For BJH Laboratory Use Only
Alternate Container/Tube:
Plain red top
Purple top (K2 & K3 EDTA)
Analyte Stability:
See Analyte Stability Chart in Special Instructions.
Laboratory Processing Instructions:
Test performed in BJH Core lab. Processed by automated line and delivered to Cobas 8000 for anaylsis and stored refrigerated for 5 days.
Special Instructions
LOINC Code Information
| Name | LOINC Code |
| Cancer Antigen 125, Serum | 10334-1 |