rheumatic disorder arthritic joint disease reactive arthritis https://rarediseases.info.nih.gov/diseases/5693/reactive-arthritis https://www.malacards.org/card/reactive_arthritis EFO:0007460 ICD9:711.3 NCIT:C128332 ICD9:099.3 MONDO:0017376 ICD9:711.40 arthritis urethritica MEDGEN:39047 Reiter syndrome post-infectious arthritis GARD:0005693 MESH:D016918 MedDRA:10038294 PIRA polyarthritis enterica Fiessinger-Leroy disease SCTID:129133005 ICD9:711.30 Reiter's disease venereal arthritis MedDRA:10003267 NORD:1650 UMLS:C0085435 Reiter's syndrome Reactive arthritis (ReA) is an autoimmune disorder belonging to the group of seronegative spondyloarthropathies and is characterized by the classic triad of arthritis, urethritis and conjunctivitis. Fiessinger-Leroy-Reiter syndrome post-infectious reactive arthropathy reactive arthritis Orphanet:29207 DOID:6196