20Developmental anomalies
Chromosomal anomalies, excluding gene mutations
LD44Deletions of the autosomes
LD44.JDeletions of chromosome 18
LD44.J0
category
Deletions of the long arm of chromosome 18
Also indexed as
18q deletion 18q deletion syndrome Deletions of the long arm of chromosome 18 Distal deletions of the long arm of chromosome 18 Proximal deletions of the long arm of chromosome 18
Nearby in Deletions of chromosome 18
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.
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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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