A: The variant NC_000022.11:g.17207244C>T in gene ADA2 is classified as 'Likely_pathogenic' for Deficiency_of_adenosine_deaminase_2. Molecular consequence: SO:0001587: nonsense. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0100317,MedGen:C4289994. Review status: criteria provided, single submitter.