ICD-11 definition : Hemoglobin D (Hb D) disease is characterised by mild haemolytic anaemia and mild to
moderate splenomegaly. Prevalence is unknown. Heterozygous forms of Hb D are clinically
silent. Molecular testing can be useful to distinguish Hb D homozygosity from cases
of heterozygous Hb D in association with beta-(0) thalassaemia.;
ICD-11 synonym : Hb D Los Angeles disease; Los Angeles disease; Punjab disease; Hb D Punjab disease;
Hemoglobin D (Hb D) disease is characterised by mild haemolytic anaemia and mild to
moderate splenomegaly. Prevalence is unknown. Heterozygous forms of Hb D are clinically
silent. Molecular testing can be useful to distinguish Hb D homozygosity from cases
of heterozygous Hb D in association with beta-(0) thalassaemia.