CA 19-9
A protein sometimes raised in pancreatic and bile duct cancer.
A monitoring tool that, used as a screening test, is close to useless and often alarming.
How we rate it — Filler
Rarely changes anything for someone with no symptoms.
This rating and the description above were written against published screening guidelines by someone who is not a clinician, and are awaiting review by one. We would rather say that than imply an authority we do not have.
Check-ups that include it
In 2 of the 78check-ups we track — 3%. Cheapest first.
Also sold as
Every one of these names refers to this same test. Resolving them to one canonical entry is what makes an honest comparison possible.
ca 19 9 · ca199 · cancer antigen 19 9
Information here is for comparing packages, not for diagnosing yourself. Talk to a doctor about which tests you actually need.