formiminoglutamic aciduria (Monarch Disease Ontology id MONDO_0009240), in its moderate form and in the absence of histidine administration, is characterized by mild developmental delay and elevated concentrations of formiminoglutamate (FIGLU) in the urine. A more severe phenotype has been described in five members of a Japanese family and included severe intellectual deficit, psychomotor retardation and megaloblastic anemia. Also known as: FTCD deficiency, formiminotransferase cyclodeaminase deficiency, glutamate formiminotransferase deficiency.