| Test code | Test name | Clinical description |
|---|---|---|
| E514 | Cancer Ag 72-4 (CA 72-4) | May be elevated in mucinous biliary tumors |
| S464 | Carbohydrate Ag 19-9 (CA 19-9) | Elevated in biliary tract and pancreatic cancers |
| C408 | Carcinoembryonic Ag (CEA) | May be elevated in pancreatobiliary cancers and used in combination with CA19-9 for diagnosis and prognosis estimation |