20Developmental anomalies Structural developmental anomalies primarily affecting one body system Structural developmental anomalies of the ear LA21Minor anomalies of pinnae
LA21.0
category
Macrotia
Definition 1) Median longitudinal ear length greater than 2 SD above the mean and median ear width greater than 2 SD above the mean (objective).
2) Apparent increase in length and width of the pinna (subjective).
Also indexed as
Congenital big ears Macrotia
Nearby in Minor anomalies of pinnae
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
View this entity in the official WHO ICD-11 browser .
This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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