immune system disorder autoimmune disease autoimmune disease ICD9:279.49 autoimmune disease or disorder ICD9:720 autoimmune disorder NCIT:C2889 DOID:417 OMIM:109100 UMLS:C0004364 disease, autoimmune SCTID:85828009 EFO:0005809 A disorder resulting from loss of function or tissue destruction of an organ or multiple organs, arising from humoral or cellular immune responses of the individual to their own tissue constituents. It may be systemic (e.g., systemic lupus erythematosus), or organ specific, (e.g., thyroiditis). MESH:D001327 ICD9:279.4 OBI:1110054 Editor note: check OMIM MEDGEN:2135