3A50.00 Mild alpha thalassaemia diseases

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

A disease caused by genetically inherited factors affecting the alpha chain of the haemoglobin molecule. This disease is characterised by structural abnormalities of the haemoglobin molecule. This disease may present with mild anaemia: pallor, fatigue, shortness of breath. Confirmation is by identification of changes to the alpha chain by genetic testing.

synonyms

• Mild alpha thalassaemia diseases
• Mild alpha thalassaemia syndromes
• Alpha thalassaemia minor
• Heterozygous alpha+ thalassaemia (– α/αα) (thalassaemia trait)
• Heterozygous alpha thalassaemia (––/ααα) (thalassaemia trait)
• Homozygous alpha+ thalassaemia (– α/– α) (thalassaemia trait)
• Heterozygous non-deletional alpha thalassaemia (αTα/αα and ααT/αα included)

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