Constitutional deficiency anemia Hereditary orotic aciduria Oroticaciduria MESH:C537136 OMIM:258900 Uridine monophosphate synthetase deficiency UMLS:C0220987 MedDRA:10052621 ICD10:D53.0 UMLS:C0268130 Orotidylic decarboxylase deficiency Disorder of pyrimidine metabolism