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HelpTest Code LAB155 Cancer Antigen 125 (CA 125)
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.
Performing Laboratory
Barnes-Jewish Hospital Laboratory
Specimen Requirements
Specimen Type: Plasma
Container/Tube: Mint green tube
Specimen Volume: Full tube
pediatric collection volume: 4.0 mL - minimum 2.0 mL
Specimen Transport Temperature
Refrigerate
Reference Values
≤ 38.1 Units/mL
Literature References:
Package insert: Cancer Antigen 125 CA 125 II. Roche Corporation 09/2020.
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
Additional Information
For BJH Laboratory Use Only
Alternate Container/Tube:
Plain red top
Purple top (K2 & K3 EDTA)
Analyte Stability:
See Analyte Stability Chart under General Information for a complete list.
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.
LOINC Code Information
| Name | LOINC Code |
| Cancer Antigen 125, Serum | 10334-1 |