ICD-11 classes
10 Diseases of the ear or mastoid process
Diseases of middle ear or mastoid
AB11 — Mastoiditis or related conditions
AB11.3 — Mastoiditis, not elsewhere classified

ICD-11 AB11.3 — Mastoiditis, not elsewhere classified

The diagnosis has no description.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.