# Cancer Antigen (CA) 125 in the Presence of Human Antimouse Antibodies (HAMA)

> This test measures the level of a protein called CA 125 in your blood while using a special blocking agent to prevent interference from specific antibodies that can cause false results. It helps doctors accurately monitor the progression or treatment response of ovarian cancer in patients who may have these interfering antibodies in their system.

- Labcorp code: 144733
- Category: [Cancer Detection](https://picardo.health/labs/tests/cancer-detection.md)
- Sample: blood
- Labcorp turnaround: 4–5 days
- Collection: free at a Labcorp location, or $75.00 at home.
- Without a doctor: yes. People order it themselves, with no doctor's visit or referral.
- Price: shown on the review page its order link opens. Opening it orders nothing.
- Order link: https://app.picardo.health/labs/order?tests=144733&ref=assistant

## About ordering

People order for themselves, with no doctor's visit or referral, and results arrive in their Picardo account. Ordering is open to adults 18 and over in the US, except New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii and Maine. General health information, not medical advice.