Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(K601) Chronic anal fissure 1808
OUTPAT OUTPAT_ICD10(K603) Anal fistula 1621
INPAT INPAT_ICD10(K603) Anal fistula 1413
INPAT INPAT_ICD10(K601) Chronic anal fissure 1147
INPAT INPAT_ICD8(56500) Anal fissure and fistula, Anal fissure 1097
OUTPAT OUTPAT_ICD10(K602) Anal fissure, unspecified 940
INPAT INPAT_ICD9(5650B) Anal fissure and fistula, Anal fissure 735
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K602) Anal fissure, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 697
OUTPAT OUTPAT_ICD10(K600) Acute anal fissure 544
INPAT INPAT_ICD8(56510) Anal fissure and fistula, Anal fistula 420
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K601) Chronic anal fissure. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 353
INPAT INPAT_ICD9(5651A) Anal fissure and fistula, Anal fistula 337
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K600) Acute anal fissure. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 311
INPAT INPAT_ICD10(K602) Anal fissure, unspecified 283
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K603) Anal fistula. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 224
INPAT INPAT_ICD10(K600) Acute anal fissure 198
OUTPAT OUTPAT_ICD10(N321) Vesicointestinal fistula 166
INPAT INPAT_ICD10(N321) Vesicointestinal fistula 151
OUTPAT OUTPAT_ICD10(N823) Fistula of vagina to large intestine 124
OUTPAT OUTPAT_ICD10(K604) Rectal fistula 115
INPAT INPAT_ICD10(K604) Rectal fistula 112
INPAT INPAT_ICD9(5650C) Anal fissure and fistula, Anal fissure 111
INPAT INPAT_ICD10(N823) Fistula of vagina to large intestine 91
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K60) Fissure and fistula of anal and rectal regions. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 88
INPAT INPAT_ICD9(5650A) Anal fissure and fistula, Anal fissure 84
OUTPAT OUTPAT_ICD10(K605) Anorectal fistula 57
INPAT INPAT_ICD10(K605) Anorectal fistula 45
OUTPAT OUTPAT_ICD10(K60) Fissure and fistula of anal and rectal regions 43
INPAT INPAT_ICD9(5651B) Anal fissure and fistula, Anal fistula 38
OUTPAT OUTPAT_ICD10(N824) Other female intestinal-genital tract fistulae 31
INPAT INPAT_ICD10(N824) Other female intestinal-genital tract fistulae 25
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K604) Rectal fistula. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 23
INPAT INPAT_ICD10(N822) Fistula of vagina to small intestine 20
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N321) Vesicointestinal fistula. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 20
OUTPAT OUTPAT_ICD10(N822) Fistula of vagina to small intestine 18
INPAT INPAT_ICD9(5651C) Anal fissure and fistula, Anal fistula 17
INPAT INPAT_ICD10(K316) Fistula of stomach and duodenum 16
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K605) Anorectal fistula. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 13
OUTPAT OUTPAT_ICD10(K316) Fistula of stomach and duodenum 12
INPAT INPAT_ICD10(K60) Fissure and fistula of anal and rectal regions 8
INPAT INPAT_ICD8(56501) Name not found 8
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N823) Fistula of vagina to large intestine. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8