4B00.10

ICD-11 MMS 2026-01

Constitutional neutrophilia

Index terms

  • Constitutional neutrophilia
  • Congenital disorders with increased neutrophil counts
  • Congenital neutrophilias
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  • Neutrophilia due to mutations in CSF3R
  • Hereditary chronic neutrophilia

Exclusions from above levels

  • MA16.10 – Decreased white blood cell count
  • 02 – Neoplasms
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 20 – Developmental anomalies

Sibling codes

  • 4B00.11 – Acquired neutrophilia
  • 4B00.1Z – Neutrophilia, unspecified

Foundation entity

Constitutional neutrophilia – http://id.who.int/icd/entity/1519498795

Part of: 4B00.1: Neutrophilia › 4B00: Disorders of neutrophil number › 04: Diseases of the immune system