Source Code Name Case count Share of cases (%)
INPAT INPAT_ICD10(K359) Acute appendicitis, unspecified 10016
OUTPAT OUTPAT_ICD10(K359) Acute appendicitis, unspecified 7733
INPAT INPAT_ICD9(5409X) Acute appendicitis without mention of peritonitis 4292
INPAT INPAT_ICD8(54099) Acute appendicitis, Without mention of peritonitis 3965
INPAT INPAT_ICD8(54091) Acute appendicitis, Gangraenosa, peritonitide non indicata 1429
INPAT INPAT_ICD10(K350) Acute appendicitis with generalized peritonitis 1293
INPAT INPAT_ICD8(54090) Acute appendicitis, Phlegmonosa, peritonitide non indicata 1047
INPAT INPAT_ICD10(K351) Acute appendicitis with peritoneal abscess 985
OUTPAT OUTPAT_ICD10(K351) Acute appendicitis with peritoneal abscess 574
OUTPAT OUTPAT_ICD10(K350) Acute appendicitis with generalized peritonitis 506
INPAT INPAT_ICD8(54000) Acute appendicitis, Perforans 463
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K359) Acute appendicitis, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 422
INPAT INPAT_ICD9(5400B) Acute appendicitis, With generalised peritonitis 371
INPAT INPAT_ICD9(5401A) Acute appendicitis with peritoneal abscess 322
INPAT INPAT_ICD8(54003) Acute appendicitis, Cum abscessu 317
INPAT INPAT_ICD8(54001) Acute appendicitis, Cum peritonitide diffusa 311
INPAT INPAT_ICD8(54002) Acute appendicitis, Cum peritonitide circumscripta 246
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K35) Acute appendicitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 240
INPAT INPAT_ICD9(5400A) Acute appendicitis, With generalised peritonitis 228
OUTPAT OUTPAT_ICD10(K35) Acute appendicitis 35
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K350) Acute appendicitis with generalized peritonitis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 28
INPAT INPAT_ICD8(54009) Name not found 22
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K351) Acute appendicitis with peritoneal abscess. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 22
INPAT INPAT_ICD9(5409A) Name not found 7
DEATH DEATH_ICD10(K350) Acute appendicitis with generalized peritonitis 6
INPAT INPAT_ICD10(K35) Acute appendicitis 6