3A51.0 Sickle cell trait

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2026-01

A disease caused by genetic inheritance of one abnormal allele of the haemoglobin gene. This disease does not display the severe symptoms of sickle cell disease that occurs in homozygous individuals. Confirmation is by identification of mutation through genetic testing.

synonyms

• Sickle cell trait
• AS - [sickle cell trait]
• Hb-S - [sickle cell haemoglobin] carrier
• HbAS - [heterozygous haemoglobin S]
• HbAS - [sickle cell haemoglobin trait]
• Sickle-cell disease carrier
• haemoglobin a-s genotype
• haemoglobin sickle cell trait disorder
• heterozygous sickle cell trait
• sickle cell haemoglobin trait
• sickle-cell heterozygous disorder
• sickle-cell trait haemoglobin disease

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