ICD-11 classes
10 Diseases of the ear or mastoid process
Diseases of middle ear or mastoid
AB10 — Disorders of Eustachian tube
AB10.0 — Diverticulum of Eustachian tube

ICD-11 AB10.0 — Diverticulum of Eustachian tube

The diagnosis has no description.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.