ICD-11 classes
10 Diseases of the ear or mastoid process
Structural developmental anomalies of the ear
LA21 — Minor anomalies of pinnae

ICD-11 LA21 — Minor anomalies of pinnae

Any condition caused by failure of the pinna to correctly develop during the antenatal period. These conditions are characterised by asymptomatic abnormalities of the visible part of the ear.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code LA21 contains 5 clarifying diagnoses:

1. LA21.0 — Macrotia
2. LA21.1 — Protruding ear
3. LA21.2 — Low-set ear
4. LA21.3 — Misshapen ear
5. LA21.Y — Other specified minor anomalies of pinnae

The diagnosis is coded elsewhere:

• Specified developmental anomalies affecting the skin #16016
• Minor anomalies of pinnae #16037
• Structural developmental anomalies of the ear #22384
• Minor anomalies of pinnae #22386