| ICD Code | Description |
|---|
| 150 | Malignant neoplasm of esophagus |
| 151 | Malignant neoplasm of stomach |
| 152 | Malignant neoplasm of small intestine including duodenum |
| 153 | Malignant neoplasm of colon |
| 154 | Malignant neoplasm of rectum rectosigmoid junction and anus |
| 155 | Malignant neoplasm of liver and intrahepatic bile ducts |
| 156 | Malignant neoplasm of gallbladder and extrahepatic bile ducts |
| 157 | Malignant neoplasm of pancreas |
| 158 | Malignant neoplasm of retroperitoneum and peritoneum |
| 159 | Malignant neoplasm of other and ill-defined sites within the digestive organs and peritoneum |