ICD-11 classes
03 Diseases of the blood or blood-forming organs
Coagulation defects, purpura or other haemorrhagic or...
3B63 — Thrombocytosis
3B63.0 — Congenital thrombocytosis
ICD-11 3B63.0 — Congenital thrombocytosis
Familial thrombocytosis is a type of thrombocytosis, a sustained elevation of platelet numbers, which affects the platelet/megakaryocyte lineage and may create a tendency for thrombosis and haemorrhage but does not cause myeloproliferation.
It includes 3 items.
- Hereditary thrombocytosis
- Autosomal dominant thrombocytosis
- X-linked thrombocytosis
It excludes 1 item.
- Essential thrombocythemia (3B63.1)
It has no clarifying diagnoses.