Monarch Disease Ontology identifier MONDO_0009113 (hemolytic anemia due to diphosphoglycerate mutase deficiency) is a rare, autosomal recessive, inherited disorder caused by mutation of the BPGM gene. It is characterized by hemolytic anemia and splenomegaly. Also known as: diphosphoglycerate phosphatase deficiency, erythrocytosis, familial, 8.