Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(K601) Chronic anal fissure 3646
OUTPAT OUTPAT_ICD10(K603) Anal fistula 3075
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K602) Anal fissure, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2097
OUTPAT OUTPAT_ICD10(K602) Anal fissure, unspecified 1872
INPAT INPAT_ICD10(K603) Anal fistula 1592
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K601) Chronic anal fissure. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1490
INPAT INPAT_ICD8(56500) Anal fissure and fistula, Anal fissure 1468
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K600) Acute anal fissure. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1235
INPAT INPAT_ICD10(K601) Chronic anal fissure 1069
OUTPAT OUTPAT_ICD10(K600) Acute anal fissure 1040
INPAT INPAT_ICD9(5650B) Anal fissure and fistula, Anal fissure 1035
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K603) Anal fistula. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 688
INPAT INPAT_ICD8(56510) Anal fissure and fistula, Anal fistula 551
INPAT INPAT_ICD9(5651A) Anal fissure and fistula, Anal fistula 475
INPAT INPAT_ICD10(K602) Anal fissure, unspecified 278
OUTPAT OUTPAT_ICD10(K604) Rectal fistula 274
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! 233
INPAT INPAT_ICD10(K600) Acute anal fissure 198
INPAT INPAT_ICD9(5650C) Anal fissure and fistula, Anal fissure 160
INPAT INPAT_ICD10(K604) Rectal fistula 152
INPAT INPAT_ICD9(5650A) Anal fissure and fistula, Anal fissure 111
OUTPAT OUTPAT_ICD10(K605) Anorectal fistula 103
OUTPAT OUTPAT_ICD10(K60) Fissure and fistula of anal and rectal regions 70
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K604) Rectal fistula. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 70
INPAT INPAT_ICD9(5651B) Anal fissure and fistula, Anal fistula 64
INPAT INPAT_ICD10(K605) Anorectal fistula 59
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K605) Anorectal fistula. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 41
INPAT INPAT_ICD9(5651C) Anal fissure and fistula, Anal fistula 31
INPAT INPAT_ICD8(56501) Name not found 10
INPAT INPAT_ICD10(K60) Fissure and fistula of anal and rectal regions 9
INPAT INPAT_ICD9(5650D) Anal fissure and fistula, Anal fissure 5