| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| INPAT | INPAT_ICD8(54301) | Other diseases of appendix, Stercolithium appendicis | 61 | |
| INPAT | INPAT_ICD8(54309) | Other diseases of appendix, Unspecified | 43 | |
| OUTPAT | OUTPAT_ICD10(K389) | Disease of appendix, unspecified | 38 | |
| INPAT | INPAT_ICD9(5439X) | Other and unspecified diseases of appendix | 37 | |
| INPAT | INPAT_ICD8(54308) | Other diseases of appendix, Alii definiti | 36 | |
| INPAT | INPAT_ICD10(K389) | Disease of appendix, unspecified | 35 | |
| OUTPAT | OUTPAT_ICD10(K388) | Other specified diseases of appendix | 33 | |
| INPAT | INPAT_ICD10(K388) | Other specified diseases of appendix | 26 | |
| INPAT | INPAT_ICD8(54300) | Other diseases of appendix, Mucocele appendicis | 16 | |
| INPAT | INPAT_ICD10(K381) | Appendicular concretions | 15 | |
| OUTPAT | OUTPAT_ICD10(K381) | Appendicular concretions | 8 | |
| INPAT | INPAT_ICD10(K380) | Hyperplasia of appendix | 6 | |
| INPAT | INPAT_ICD8(54399) | Name not found | 6 | |
| OUTPAT | OUTPAT_ICD10(K380) | Hyperplasia of appendix | 6 | |
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(K389) | Disease of appendix, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 6 |