disease has feature Decreased total leukocyte count syndromic disease Felty syndrome https://github.com/monarch-initiative/mondo/issues/6740 https://github.com/monarch-initiative/mondo/issues/6746 https://github.com/monarch-initiative/mondo/issues/9097 https://rarediseases.info.nih.gov/diseases/8234/feltys-syndrome https://www.malacards.org/card/felty_syndrome MESH:D005258 rheumatoid arthritis, splenomegaly and neutropenia ICD9:714.1 MEDGEN:4674 NCIT:C84712 Orphanet:47612 Felty syndrome (FS), also known as ''super rheumatoid'' disease, is a severe form of rheumatoid arthritis (RA), characterized by a triad of RA, splenomegaly and neutropenia, resulting in susceptibility to bacterial infections. EFO:0007269 ICD10CM:M05.0 SCTID:57160007 GARD:0008234 DOID:11042 Felty syndrome MedDRA:10016386 UMLS:C0015773 splenomegaly-neutropenia-rheumatoid arthritis syndrome rheumatoid arthritis with splenoadenomegaly and leukopenia OMIM:134750 NORD:1135 MONDO:0007603 familial Felty's syndrome This term's classification was reviewed in the context of the Strategic Refinement project (2023) and was determined to be excluded from the 'hematologic disorder' (MONDO:0005570) ontology branch (https://orcid.org/0000-0001-9310-0163) Felty's syndrome rheumatoid arthritis