| K51.40 | Inflammatory polyps of colon without complications | BILLABLE CODE |
| K51.41 | Inflammatory polyps of colon with complications | NON-BILLABLE CODE |
| K51.411 | Inflammatory polyps of colon with rectal bleeding | BILLABLE CODE |
| K51.412 | Inflammatory polyps of colon with intestinal obstruction | BILLABLE CODE |
| K51.413 | Inflammatory polyps of colon with fistula | BILLABLE CODE |
| K51.414 | Inflammatory polyps of colon with abscess | BILLABLE CODE |
| K51.418 | Inflammatory polyps of colon with other complication | BILLABLE CODE |
| K51.419 | Inflammatory polyps of colon with unspecified complications | BILLABLE CODE |
