Quick Reference
- Full form
- CA 19-9
- Sample type
- Blood
- Fasting
- Not required
- Marker measured
- 1
- Report turnaround
- After 3 days
- Available at
- All locations
About CA 19-9
CA 19-9 is a tumour marker most often used to monitor pancreatic and certain digestive cancers, helping track how well treatment is working over time. It is not typically used alone to diagnose cancer.
No fasting is required, and given the specialised processing involved, results are available after 3 days.
How to Prepare
- No fasting required.
- No special preparation needed before your blood draw.
Frequently Asked Questions
What is CA 19-9 testing used for?
It is mainly used to monitor pancreatic and certain digestive cancers, tracking treatment response over time.
Do I need to fast before this test?
No fasting is required.
Can CA 19-9 diagnose cancer on its own?
No, it is used for monitoring rather than standalone diagnosis, since levels can also rise from non-cancerous conditions.
Why does this test take longer to report?
It requires specialised processing, which is why we schedule results after 3 days.
How soon will my report be ready?
After 3 days.
Is home sample collection available?
Yes, in all City Care Lab service areas.
This page provides general health information and is not a substitute for medical advice. Speak with your doctor about your specific results and treatment.