"SNOMEDCT_US_2021_09_01:190982008"^^ . . "disease_ontology"^^ . "DOID:2115"^^ . "UMLS_CUI:C0154276"^^ . "immunoglobulin heavy chain deletion"@en . . . "A primary immunnodeficiency disease that is caused by a lack of infection-fighting antibody producing B cells (immunoglobulins) or B cells that are not functioning properly."^^ . "Immunoglobulin heavy chain deficiency"@en . "DOID:6026"^^ . "ICD9CM:279.03"^^ . "B cell deficiency"^^ . "B cell (antibody) deficiencies"@en .