| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| REIMB | REIMB_KELA(208)_ICD9(556) | Ulcerative colitis and Crohn's disease, Ulcerative colitis | 35 | |
| REIMB | REIMB_KELA(208)_ICD9(5561A) | Ulcerative colitis and Crohn's disease, Ulcerative (chronic) ileocolitis | 19 | |
| REIMB | REIMB_KELA(208)_ICD9(5560A) | Ulcerative colitis and Crohn's disease, Ulcerative (chronic) enterocolitis | 17 | |
| REIMB | REIMB_KELA(208)_ICD9(5562A) | Ulcerative colitis and Crohn's disease, Ulcerative (chronic) proctitis | 15 | |
| REIMB | REIMB_KELA(208)_ICD9(5568X) | Ulcerative colitis and Crohn's disease, Other ulcerative colitis | 9 | |
| REIMB | REIMB_KELA(208)_ICD9(5561) | Ulcerative colitis and Crohn's disease, Name not found | 7 |