| ICD Code | Description |
|---|---|
| 0DB1 | Esophagus, Upper |
| 0DB2 | Esophagus, Middle |
| 0DB3 | Esophagus, Lower |
| 0DB4 | Esophagogastric Junction |
| 0DB5 | Esophagus |
| 0DB6 | Stomach |
| 0DB7 | Stomach, Pylorus |
| 0DB8 | Small Intestine |
| 0DB9 | Duodenum |
| 0DBA | Jejunum |
| 0DBB | Ileum |
| 0DBC | Ileocecal Valve |
| 0DBE | Large Intestine |
| 0DBF | Large Intestine, Right |
| 0DBG | Large Intestine, Left |
| 0DBH | Cecum |
| 0DBJ | Appendix |
| 0DBK | Ascending Colon |
| 0DBL | Transverse Colon |
| 0DBM | Descending Colon |
| 0DBN | Sigmoid Colon |
| 0DBP | Rectum |
| 0DBQ | Anus |
| 0DBR | Anal Sphincter |
| 0DBS | Greater Omentum |
| 0DBT | Lesser Omentum |
| 0DBV | Mesentery |
| 0DBW | Peritoneum |