ICD-11 classes
10 Diseases of the ear or mastoid process
Diseases of inner ear
AB33 — Otosclerosis

ICD-11 AB33 — Otosclerosis

Otosclerosis is a genetically mediated metabolic bone disease that affects the otic capsule and stapes. It is an autosomal dominant disorder with varying penetrance and expressivity. Usually symptomatic hearing loss from otosclerosis develops early in the third decade of life, although onset in the teenage years does occur.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

• Diseases of middle ear or mastoid #10608