ICD-11 definition : 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.;
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.