| Full description | Mastoiditis in infectious and parasitic diseases classified elsewhere |
| Billable | No — use a more specific child code |
| Chapter | Chapter 8: Diseases of the ear and mastoid process (H60-H95) |
| Section | Diseases of middle ear and mastoid (H65-H75) |
| Parent code | H75 — Oth disord of mid ear and mastoid in diseases classd elswhr |