Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(K519) Ulcerative colitis, unspecified 3782
OUTPAT OUTPAT_ICD10(K515) Mucosal proctocolitis 3607
OUTPAT OUTPAT_ICD10(K529) Noninfective gastroenteritis and colitis, unspecified 2956
REIMB REIMB_KELA(208)_ICD10(K51) Ulcerative colitis and Crohn's disease, Ulcerative colitis 2198
OUTPAT OUTPAT_ICD10(K513) Ulcerative (chronic) rectosigmoiditis 2152
OUTPAT OUTPAT_ICD10(K5288) Other specified noninfective gastroenteritis and colitis 1889
OUTPAT OUTPAT_ICD10(K508) Other Crohn's disease 1846
OUTPAT OUTPAT_ICD10(K500) Crohn's disease of small intestine 1725
INPAT INPAT_ICD10(K519) Ulcerative colitis, unspecified 1707
OUTPAT OUTPAT_ICD10(K509) Crohn's disease, unspecified 1633
OUTPAT OUTPAT_ICD10(K512) Ulcerative (chronic) proctitis 1516
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K529) Noninfective gastroenteritis and colitis, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1406
OUTPAT OUTPAT_ICD10(K518) Other ulcerative colitis 1399
OUTPAT OUTPAT_ICD10(K501) Crohn's disease of large intestine 1391
INPAT INPAT_ICD10(K529) Noninfective gastroenteritis and colitis, unspecified 1314
INPAT INPAT_ICD10(K515) Mucosal proctocolitis 1264
OUTPAT OUTPAT_ICD10(K511) Ulcerative (chronic) ileocolitis 1066
REIMB REIMB_KELA(208)_ICD10(K50) Ulcerative colitis and Crohn's disease, Crohn's disease [regional enteritis] 917
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K519) Ulcerative colitis, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 857
INPAT INPAT_ICD10(K509) Crohn's disease, unspecified 815
REIMB REIMB_KELA(208)_ICD9(NA) Ulcerative colitis and Crohn's disease, Name not found 765
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K5288) Other specified noninfective gastroenteritis and colitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 742
OUTPAT OUTPAT_ICD10(K510) Ulcerative (chronic) enterocolitis 714
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K515) Mucosal proctocolitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 704
INPAT INPAT_ICD10(K508) Other Crohn's disease 689
INPAT INPAT_ICD10(K500) Crohn's disease of small intestine 679
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K51) Ulcerative colitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 648
REIMB REIMB_KELA(208)_ICD10(K515) Ulcerative colitis and Crohn's disease, Mucosal proctocolitis 560
INPAT INPAT_ICD10(K5288) Other specified noninfective gastroenteritis and colitis 536
INPAT INPAT_ICD10(K501) Crohn's disease of large intestine 533
OUTPAT OUTPAT_ICD10(K522) Allergic and dietetic gastroenteritis and colitis 508
INPAT INPAT_ICD10(K513) Ulcerative (chronic) rectosigmoiditis 506
INPAT INPAT_ICD10(K518) Other ulcerative colitis 436
INPAT INPAT_ICD8(56310) Chronic enteritis and ulcerative colitis, Ulcerative colitis 421
REIMB REIMB_KELA(208)_ICD10(K519) Ulcerative colitis and Crohn's disease, Ulcerative colitis, unspecified 385
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K509) Crohn's disease, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 371
REIMB REIMB_KELA(208)_ICD8(NA) Ulcerative colitis and Crohn's disease, Name not found 364
INPAT INPAT_ICD10(K511) Ulcerative (chronic) ileocolitis 357
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K512) Ulcerative (chronic) proctitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 357
INPAT INPAT_ICD10(K510) Ulcerative (chronic) enterocolitis 335
REIMB REIMB_KELA(208)_ICD10(K512) Ulcerative colitis and Crohn's disease, Ulcerative (chronic) proctitis 334
INPAT INPAT_ICD10(K512) Ulcerative (chronic) proctitis 311
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K513) Ulcerative (chronic) rectosigmoiditis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 311
REIMB REIMB_KELA(208)_ICD10(K513) Ulcerative colitis and Crohn's disease, Ulcerative (chronic) rectosigmoiditis 298
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K508) Other Crohn's disease. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 295
INPAT INPAT_ICD9(5561A) Ulcerative (chronic) ileocolitis 289
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K500) Crohn's disease of small intestine. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 273
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K501) Crohn's disease of large intestine. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 264
INPAT INPAT_ICD9(5562A) Ulcerative (chronic) proctitis 252
INPAT INPAT_ICD9(5568X) Other ulcerative colitis 251
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K50) Crohn's disease [regional enteritis]. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 243
REIMB REIMB_KELA(208)_ICD10(K500) Ulcerative colitis and Crohn's disease, Crohn's disease of small intestine 218
REIMB REIMB_KELA(208)_ICD10(K508) Ulcerative colitis and Crohn's disease, Other Crohn's disease 208
INPAT INPAT_ICD8(56909) Other diseases of intestines and peritoneum, Unspecified 204
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K518) Other ulcerative colitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 201
OUTPAT OUTPAT_ICD10(K520) Gastroenteritis and colitis due to radiation 194
INPAT INPAT_ICD8(56300) Chronic enteritis and ulcerative colitis, Regional enteritis 153
INPAT INPAT_ICD8(56908) Other diseases of intestines and peritoneum, Alii definiti 148
REIMB REIMB_KELA(208)_ICD10(K501) Ulcerative colitis and Crohn's disease, Crohn's disease of large intestine 144
INPAT INPAT_ICD8(56210) Diverticula of intestine, Diverticulum (diverticulosis) coli 141
OUTPAT OUTPAT_ICD10(K51) Ulcerative colitis 141
INPAT INPAT_ICD9(5589X) Other and unspecified noninfectious gastroenteritis and colitis 135
INPAT INPAT_ICD10(K522) Allergic and dietetic gastroenteritis and colitis 131
INPAT INPAT_ICD9(5560A) Ulcerative (chronic) enterocolitis 125
INPAT INPAT_ICD8(56399) Chronic enteritis and ulcerative colitis, Other 121
REIMB REIMB_KELA(208)_ICD10(K509) Ulcerative colitis and Crohn's disease, Crohn's disease, unspecified 121
INPAT INPAT_ICD10(K5280) (Hemorrhagic) colitis caused by antibiotics 119
OUTPAT OUTPAT_ICD10(K5280) (Hemorrhagic) colitis caused by antibiotics 118
INPAT INPAT_ICD8(56211) Diverticula of intestine, Diverticulitis coli 111
REIMB REIMB_KELA(208)_ICD10(K518) Ulcerative colitis and Crohn's disease, Other ulcerative colitis 105
INPAT INPAT_ICD9(5552A) Regional enteritis of small intestine with large intestine 104
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K52) Other noninfective gastroenteritis and colitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 102
INPAT INPAT_ICD8(56902) Other diseases of intestines and peritoneum, Proctitis haemorrhagica (ulcerosa) 99
INPAT INPAT_ICD9(5550A) Regional enteritis of small intestine 98
INPAT INPAT_ICD9(5584A) Other non-infective gastro-enteritis and colitis 93
REIMB REIMB_KELA(208)_ICD9(556) Ulcerative colitis and Crohn's disease, Ulcerative colitis 85
REIMB REIMB_KELA(208)_ICD10(NA) Ulcerative colitis and Crohn's disease, Name not found 84
INPAT INPAT_ICD9(5551A) Regional enteritis of large intestine 82
INPAT INPAT_ICD9(5587A) Other non-infective gastro-enteritis and colitis 82
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K511) Ulcerative (chronic) ileocolitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 82
INPAT INPAT_ICD9(5586X) Other non-infective gastro-enteritis and colitis 81
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K510) Ulcerative (chronic) enterocolitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 76
INPAT INPAT_ICD9(5585A) Other non-infective gastro-enteritis and colitis 70
REIMB REIMB_KELA(208)_ICD9(5561A) Ulcerative colitis and Crohn's disease, Ulcerative (chronic) ileocolitis 70
INPAT INPAT_ICD10(K520) Gastroenteritis and colitis due to radiation 66
REIMB REIMB_KELA(208)_ICD10(K511) Ulcerative colitis and Crohn's disease, Ulcerative (chronic) ileocolitis 66
DEATH DEATH_ICD10(K528) Name not found 65
OUTPAT OUTPAT_ICD10(K50) Crohn's disease [regional enteritis] 61
OUTPAT OUTPAT_ICD10(K514) Pseudopolyposis of colon 60
INPAT INPAT_ICD9(5559X) Regional enteritis of unspecified site 51
INPAT INPAT_ICD9(5583A) Other non-infective gastro-enteritis and colitis 42
INPAT INPAT_ICD8(56398) Chronic enteritis and ulcerative colitis, Alia definita 40
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K522) Allergic and dietetic gastroenteritis and colitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 39
INPAT INPAT_ICD8(56907) Other diseases of intestines and peritoneum, Prolapsus recti 37
OUTPAT OUTPAT_ICD10(K521) Toxic gastroenteritis and colitis 37
REIMB REIMB_KELA(208)_ICD9(5562A) Ulcerative colitis and Crohn's disease, Ulcerative (chronic) proctitis 37
INPAT INPAT_ICD10(K521) Toxic gastroenteritis and colitis 32
INPAT INPAT_ICD8(56906) Other diseases of intestines and peritoneum, Prolapsus ani 32
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K520) Gastroenteritis and colitis due to radiation. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 32
REIMB REIMB_KELA(208)_ICD9(5560A) Ulcerative colitis and Crohn's disease, Ulcerative (chronic) enterocolitis 27
REIMB REIMB_KELA(208)_ICD9(5568X) Ulcerative colitis and Crohn's disease, Other ulcerative colitis 27
DEATH DEATH_ICD10(K519) Ulcerative colitis, unspecified 25
INPAT INPAT_ICD9(5563A) Ulcerative (chronic) proctosigmoiditis 25
REIMB REIMB_KELA(208)_ICD9(555) Ulcerative colitis and Crohn's disease, Crohn's disease (regional enteritis) 25
INPAT INPAT_ICD10(K514) Pseudopolyposis of colon 23
INPAT INPAT_ICD10(K51) Ulcerative colitis 22
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K5280) (Hemorrhagic) colitis caused by antibiotics. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 21
INPAT INPAT_ICD8(56901) Other diseases of intestines and peritoneum, Perforatio intestini NUD 20
REIMB REIMB_KELA(208)_ICD9(K51) Ulcerative colitis and Crohn's disease, Name not found 19
INPAT INPAT_ICD8(56219) Diverticula of intestine, Unspecified 17
REIMB REIMB_KELA(208)_ICD10(K510) Ulcerative colitis and Crohn's disease, Ulcerative (chronic) enterocolitis 17
DEATH DEATH_ICD10(K529) Noninfective gastroenteritis and colitis, unspecified 15
REIMB REIMB_KELA(208)_ICD9(5551A) Ulcerative colitis and Crohn's disease, Regional enteritis of large intestine 15
INPAT INPAT_ICD8(56905) Other diseases of intestines and peritoneum, Fistula faecalis 14
REIMB REIMB_KELA(208)_ICD9(5552A) Ulcerative colitis and Crohn's disease, Regional enteritis of small intestine with large intestine 14
INPAT INPAT_ICD8(56218) Diverticula of intestine, Alia definita 13
INPAT INPAT_ICD8(56200) Diverticula of intestine, Diverticulum (diverticulosis) duodeni 12
INPAT INPAT_ICD8(56903) Other diseases of intestines and peritoneum, Periproctitis 11
OUTPAT OUTPAT_ICD10(K528) Name not found 11
REIMB REIMB_KELA(208)_ICD9(5550A) Ulcerative colitis and Crohn's disease, Regional enteritis of small intestine 11
INPAT INPAT_ICD10(K50) Crohn's disease [regional enteritis] 10
OUTPAT OUTPAT_ICD10(K52) Other noninfective gastroenteritis and colitis 10
REIMB REIMB_KELA(208)_ICD9(5561) Ulcerative colitis and Crohn's disease, Name not found 10
REIMB REIMB_KELA(208)_ICD9(5562) Ulcerative colitis and Crohn's disease, Name not found 10
DEATH DEATH_ICD10(K509) Crohn's disease, unspecified 9
INPAT INPAT_ICD8(56301) Name not found 9
INPAT INPAT_ICD8(56900) Other diseases of intestines and peritoneum, Abscessus intestini 9
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K521) Toxic gastroenteritis and colitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9
REIMB REIMB_KELA(208)_ICD9(K50) Ulcerative colitis and Crohn's disease, Name not found 9
INPAT INPAT_ICD8(56201) Diverticula of intestine, Diverticulum (diverticulosis) intestini tenuis alii 8
INPAT INPAT_ICD8(56202) Diverticula of intestine, Diverticulitis intestini tenuis 8
REIMB REIMB_KELA(208)_ICD9(5568) Ulcerative colitis and Crohn's disease, Name not found 8
REIMB REIMB_KELA(208)_ICD9(5586X) Ulcerative colitis and Crohn's disease, Other non-infective gastro-enteritis and colitis 7
INPAT INPAT_ICD9(5581A) Gastroenteritis and colitis due to radiation 6
REIMB REIMB_KELA(208)_ICD9(5559X) Ulcerative colitis and Crohn's disease, Regional enteritis of unspecified site 6
DEATH DEATH_ICD10(K510) Ulcerative (chronic) enterocolitis 5
REIMB REIMB_KELA(208)_ICD9(5560) Ulcerative colitis and Crohn's disease, Name not found 5