| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| OUTPAT | OUTPAT_ICD10(M131) | Monoarthritis, not elsewhere classified | 1173 | |
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(M131) | Monoarthritis, not elsewhere classified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 558 | |
| INPAT | INPAT_ICD10(M131) | Monoarthritis, not elsewhere classified | 247 | |
| INPAT | INPAT_ICD9(7166A) | Unspecified monoarthritis | 136 | |
| INPAT | INPAT_ICD8(71105) | Acute nonpyogenic arthritis, Genus | 131 | |
| INPAT | INPAT_ICD8(71104) | Acute nonpyogenic arthritis, Coxae | 95 | |
| INPAT | INPAT_ICD8(71106) | Acute nonpyogenic arthritis, Talocruralis sive pedis | 46 | |
| INPAT | INPAT_ICD8(71107) | Acute nonpyogenic arthritis, Loco multiplici | 34 | |
| INPAT | INPAT_ICD8(71100) | Acute nonpyogenic arthritis, Humeroscapularis | 28 | |
| INPAT | INPAT_ICD8(71102) | Acute nonpyogenic arthritis, Carpi | 15 | |
| INPAT | INPAT_ICD8(71101) | Acute nonpyogenic arthritis, Cubiti | 12 | |
| INPAT | INPAT_ICD8(71103) | Acute nonpyogenic arthritis, Digiti manus | 6 |