. "SNOMEDCT_US_2021_09_01:190999009"^^ . "OMIM:102700"^^ . "A severe combined immunodeficiency that is caused by a defective enzyme, adenosine deaminase (ADA), necessary for the breakdown of purines. Lack of ADA causes accumulation of dATP."^^ . "adenosine deaminase deficiency"^^ . . "NCI:C3962"^^ . . "disease_ontology"^^ . "DOID:5810"^^ . . "UMLS_CUI:C0268124"^^ . "ICD10CM:D81.30"^^ . "GARD:5748"^^ . . "ADA"@en .