NCIthesaurus has material basis in erythrocyte anemia UMLS_CUI:C0002871 ICD9CM:285.9 NCI:C2869 DOID:2355 MESH:D000740 A hematopoietic system disease that is characterized by a decrease in the normal number of red blood cells. MESH:D000740 ICD10CM:D64.9 EFO:0004272 SNOMEDCT_US_2025_09_01:64593003 DOID:13121 PRISM. anaemia disease_ontology disease hematopoietic system disease