Source Code Name Case count Share of cases (%)
INPAT INPAT_ICD8(54301) Other diseases of appendix, Stercolithium appendicis 76
INPAT INPAT_ICD8(54309) Other diseases of appendix, Unspecified 54
OUTPAT OUTPAT_ICD10(K389) Disease of appendix, unspecified 54
INPAT INPAT_ICD10(K389) Disease of appendix, unspecified 47
INPAT INPAT_ICD9(5439X) Other and unspecified diseases of appendix 43
OUTPAT OUTPAT_ICD10(K388) Other specified diseases of appendix 43
INPAT INPAT_ICD10(K388) Other specified diseases of appendix 42
INPAT INPAT_ICD8(54308) Other diseases of appendix, Alii definiti 42
INPAT INPAT_ICD10(K381) Appendicular concretions 20
INPAT INPAT_ICD8(54300) Other diseases of appendix, Mucocele appendicis 18
OUTPAT OUTPAT_ICD10(K381) Appendicular concretions 12
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K389) Disease of appendix, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9
INPAT INPAT_ICD10(K380) Hyperplasia of appendix 8
INPAT INPAT_ICD8(54399) Name not found 7
OUTPAT OUTPAT_ICD10(K380) Hyperplasia of appendix 7
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(K388) Other specified diseases of appendix. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7
INPAT INPAT_ICD9(5430A) Hyperplasia of appendix (lymphoid) 5