3A50.2 Beta thalassaemia
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01
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.
inclusions
- Beta thalassaemia minor
- Beta thalassaemia intermedia
- Dominant beta thalassaemia
- Beta thalassaemia major
postcoordination
Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
synonyms
- Beta thalassaemia
- Mediterranean anaemia
- beta thalassaemia syndrome
- Mediterranean disease
- beta thalassaemia disease
- Beta thalassaemia minor
- Heterozygous beta-thalassaemia
- Beta thalassaemia carrier
- Beta thalassaemia trait
- Beta thalassaemia intermedia
- Dominant beta thalassaemia
- Beta thalassaemia major
- Cooley anaemia
- familial erythroblastic anaemia
- Compound heterozygotes for beta zero or beta+ or delta-beta-thal genes
- Homozygous beta thalassaemia
- erythroblastic anaemia of childhood
- Haemoglobin E beta thalassaemia
- Hb E/beta thalassaemia
- Beta-thalassemia-X-linked thrombocytopenia syndrome
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