04Diseases of the immune system Immune system disorders involving white cell lineages 4B00Disorders of neutrophil number 4B00.1Neutrophilia
4B00.10
category
Constitutional neutrophilia
Also indexed as
Congenital disorders with increased neutrophil counts Congenital neutrophilias Constitutional neutrophilia Hereditary chronic neutrophilia Neutrophilia due to mutations in CSF3R
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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