ICD-11 classes
04 Diseases of the immune system
Immune system disorders involving white cell lineages
4B00 — Disorders of neutrophil number
4B00.0 — Neutropaenia
4B00.00 — Constitutional neutropaenia
ICD-11 4B00.00 — Constitutional neutropaenia
This is a granulocyte disorder characterised by an abnormally low number of neutrophils. Neutrophils usually make up 50-70% of circulating white blood cells and serve as the primary defence against infections by destroying bacteria in the blood.
The diagnosis includes nothing.
It excludes 1 item.
- Cartilage-hair hypoplasia (LD27.0)
It has no clarifying diagnoses.
The diagnosis is coded elsewhere: