| Name | CA 19-9 |
| Categories | tumour marker |
| Specimen requirements | 1 ml of serum |
| Clinical utility | tumour marker, suspicions of pancreatic cancer, hepatobiliary cancer (liver cancer, bile duct cancer), stomach cancer |
| Methodology | CMIA (chemiluminescence microparticle immunoassay) |
| Setup schedule and duration | Mon. - Fri. |
| Reference ranges | < 37 U/ml |