Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(K601) Chronic anal fissure 2549
OUTPAT OUTPAT_ICD10(K603) Anal fistula 2202
OUTPAT OUTPAT_ICD10(K602) Anal fissure, unspecified 1312
INPAT INPAT_ICD8(56500) Anal fissure and fistula, Anal fissure 1261
INPAT INPAT_ICD10(K603) Anal fistula 1248
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K602) Anal fissure, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 952
INPAT INPAT_ICD9(5650B) Anal fissure and fistula, Anal fissure 861
INPAT INPAT_ICD10(K601) Chronic anal fissure 851
OUTPAT OUTPAT_ICD10(K600) Acute anal fissure 723
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K601) Chronic anal fissure. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 574
INPAT INPAT_ICD8(56510) Anal fissure and fistula, Anal fistula 487
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K600) Acute anal fissure. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 480
INPAT INPAT_ICD9(5651A) Anal fissure and fistula, Anal fistula 409
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K603) Anal fistula. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 320
INPAT INPAT_ICD10(K602) Anal fissure, unspecified 218
OUTPAT OUTPAT_ICD10(K604) Rectal fistula 186
INPAT INPAT_ICD10(K600) Acute anal fissure 160
INPAT INPAT_ICD9(5650C) Anal fissure and fistula, Anal fissure 130
INPAT INPAT_ICD10(K604) Rectal fistula 122
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! 116
INPAT INPAT_ICD9(5650A) Anal fissure and fistula, Anal fissure 98
OUTPAT OUTPAT_ICD10(K605) Anorectal fistula 82
OUTPAT OUTPAT_ICD10(K60) Fissure and fistula of anal and rectal regions 50
INPAT INPAT_ICD10(K605) Anorectal fistula 46
INPAT INPAT_ICD9(5651B) Anal fissure and fistula, Anal fistula 46
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K604) Rectal fistula. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 32
INPAT INPAT_ICD9(5651C) Anal fissure and fistula, Anal fistula 23
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K605) Anorectal fistula. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 21
INPAT INPAT_ICD8(56501) Name not found 9
INPAT INPAT_ICD10(K60) Fissure and fistula of anal and rectal regions 8