Ca -19-9
Also known as: CA 19-9 test, Cancer marker CA19-9, Pancreatic tumor marker
- Blood
- Same day / 24 hours
- Home pickup
- No fasting needed
Clinical use cases
Why doctors order it- Clinician-directed monitoring of selected GI/pancreaticobiliary conditions
- Tracking treatment response and trends
- Not for routine screening
- Tumor marker mainly used for monitoring, not screening
- Trend over time is more useful than a single value
- Can be elevated in non-cancer conditions (jaundice, inflammation)