has material basis in germline mutation in F9 hemorrhagic disease hemophilia B https://github.com/monarch-initiative/mondo/issues/4521 https://github.com/monarch-initiative/mondo/issues/9097 https://rarediseases.info.nih.gov/diseases/8732/hemophilia-b https://www.malacards.org/card/hemophilia_b MESH:D002836 MEDGEN:945 hemophilia B hemophilia b, X-linked recessive haemophilia B(M) NCIT:C26721 DOID:12259 ICD10CM:D67 Orphanet:98879 haemophilia type B Hemophilia B is a form of hemophilia characterized by spontaneous or prolonged hemorrhages due to factor IX deficiency. OMIM:306900 NORD:1222 GARD:0008732 SCTID:41788008 hereditary Factor IX deficiency MedDRA:10016077 HEMB congenital factor IX deficiency hereditary Factor IX deficiency disease UMLS:C0008533 haemophilia B Leyden ICD9:286.1 hemophilia type B icd11.foundation:1901375668 Christmas disease haemophilia b, X-linked recessive congenital factor IX disorder NANDO:2200677 MONDO:0010604 factor IX deficiency hem B hemophilia inherited blood coagulation disorder