20Developmental anomalies
Chromosomal anomalies, excluding gene mutations
LD41Duplications of the autosomes
LD41.2Duplications of chromosome 3
LD41.20
category
Duplications of the long arm of chromosome 3
Also indexed as
3q26 duplication 3q29 duplication 3q29 duplication syndrome Cornelia de Lange-like syndrome Distal duplications of the long arm of chromosome 3 Duplications of the long arm of chromosome 3 Proximal duplications of the long arm of chromosome 3 Trisomy 3q26 Trisomy 3q29
Nearby in Duplications of chromosome 3
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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