immune system disorder autoimmune disease hereditary periodic fever syndrome familial Mediterranean fever https://github.com/monarch-initiative/mondo/issues/6747 MEDGEN:45811 Familial Mediterranean fever (FMF) is an autoinflammatory disorder characterized by recurrent short episodes of fever and serositis resulting in pain in the abdomen, chest, joints and muscles. benign paroxysmal peritonitis GARD:0006421 familial paroxysmal polyserositis ICD9:277.31 FMF icd11.foundation:1373335705 MONDO:0018088 NORD:1130 MedDRA:10016207 DOID:2987 benign recurrent polyserositis SCTID:12579009 NANDO:1200863 Fiebre mediterránea familiar UMLS:C0031069 Orphanet:342 NANDO:2200431 NCIT:C84707 MESH:D010505 periodic disease obsolete secondary glomerular disease