has material basis in germline mutation in disease has feature BTK Immunodeficiency Bruton-type agammaglobulinemia https://github.com/monarch-initiative/mondo/issues/4521 https://www.malacards.org/card/agammaglobulinemia_x_linked agammaglobulinemia, Bruton tyrosine kinase NCIT:C3822 agammaglobulinemia, BTK X-linked agammaglobulinemia MedDRA:10060360 NANDO:1200343 Bruton's agammaglobulinemia MEDGEN:65123 BTK-deficiency GARD:0001033 Bruton's X-linked agammaglobulinemia Bruton type agammaglobulinemia Orphanet:47 XLA MESH:C537409 agammaglobulinemia, X-linked UMLS:C0221026 MONDO:0010421 Bruton's Sex-linked agammaglobulinemia DOID:14179 Bruton-type agammaglobulinemia X-linked agammaglobulinemia (XLA) is a clinically variable form of isolated agammaglobulinemia, an inherited immunodeficiency disorder, and is characterized in affected males by recurrent bacterial infections during infancy. OMIM:300755 NANDO:2200716 agammaglobulinemia, X-linked 1, X-linked recessive SCTID:65880007 isolated agammaglobulinemia