| K51.00 | Ulcerative (chronic) pancolitis without complications | BILLABLE CODE |
| K51.01 | Ulcerative (chronic) pancolitis with complications | NON-BILLABLE CODE |
| K51.011 | Ulcerative (chronic) pancolitis with rectal bleeding | BILLABLE CODE |
| K51.012 | Ulcerative (chronic) pancolitis with intestinal obstruction | BILLABLE CODE |
| K51.013 | Ulcerative (chronic) pancolitis with fistula | BILLABLE CODE |
| K51.014 | Ulcerative (chronic) pancolitis with abscess | BILLABLE CODE |
| K51.018 | Ulcerative (chronic) pancolitis with other complication | BILLABLE CODE |
| K51.019 | Ulcerative (chronic) pancolitis with unspecified complications | BILLABLE CODE |
