| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| INPAT | INPAT_ICD8(38200) | Acute / Acute otitis media with mastoiditis | 113 | |
| OUTPAT | OUTPAT_ICD10(H700) | Acute mastoiditis | 112 | |
| INPAT | INPAT_ICD10(H700) | Acute mastoiditis | 80 | |
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(H700) | Acute mastoiditis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 35 | |
| INPAT | INPAT_ICD8(38300) | Mastoiditis without mention of otitis media, Acute | 17 | |
| INPAT | INPAT_ICD9(3830A) | Acute mastoiditis | 12 | |
| INPAT | INPAT_ICD8(38204) | Name not found | 6 | |
| INPAT | INPAT_ICD8(38202) | Name not found | 5 |