ICD-11 classes
03 Diseases of the blood or blood-forming organs
Anaemias or other erythrocyte disorders
3A50 — Thalassaemias
3A50.2 — Beta thalassaemia
ICD-11 3A50.2 — Beta thalassaemia
Beta-thalassemia (BT) is a haemoglobinopathy characterised by deficiency (Beta+) or absence (Beta0) of synthesis of the beta globin chains of haemoglobin (Hb). Three main types of BT have been described: minor, intermedia and major with clinical presentation ranging from asymptomatic forms to microcytic anaemia and splenomegaly due to defective erythropoiesis and haemolysis.
It includes 4 items.
- Beta thalassaemia minor
- Beta thalassaemia intermedia
- Dominant beta thalassaemia
- Beta thalassaemia major
The diagnosis excludes nothing.
It has no clarifying diagnoses.