CA-125 Blood Test
Type
Blood Testing
Biomarkers
1
Duration
15 min
Results
4 days
Screens for tumor markers that may indicate the presence of certain cancers.
Cancer marker blood tests measure substances produced by cancer cells or by your body in response to cancer. Common markers include PSA (prostate-specific antigen) for prostate cancer screening, CEA (carcinoembryonic antigen) used in colorectal cancer monitoring, CA-125 for ovarian cancer, and AFP (alpha-fetoprotein) for liver cancer. It's important to understand that tumor markers are not diagnostic on their own — elevated levels can have non-cancerous causes, and some cancers don't produce detectable markers. They are most valuable for monitoring treatment response, detecting recurrence, and as part of a broader screening strategy alongside imaging and clinical assessment.
Key Details
Who Is This For?
Men over 50 (or over 40 with family history) for PSA prostate screening. Anyone with a family history of cancer who wants baseline marker levels. Cancer patients monitoring treatment response or screening for recurrence. Health-conscious individuals incorporating cancer markers into their annual screening protocol.
What's Included
Preparation Required
No fasting required for most tumor markers. For PSA testing: avoid ejaculation for 48 hours before the test, avoid vigorous cycling for 48 hours, and don't test during a urinary tract infection — all can temporarily elevate PSA. Inform your provider of any recent medical procedures.
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- Category
- Diagnostic
- Sample Type
- Blood draw
- Duration
- 15 min
- Results
- 4 days
Bloody Good
On-demand blood testing without a GP visit. Over 200 tests available at 4000+ collection centres across Australia.
