A: The variant NC_000020.11:g.44621160G>A in gene ADA is classified as 'Likely_benign' for Severe_combined_immunodeficiency,_autosomal_recessive,_T_cell-negative,_B_cell-negative,_NK_cell-negative,_due_to_adenosine_deaminase_deficiency. Molecular consequence: SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0007064,MedGen:C1863236,OMIM:102700,Orphanet:277. Review status: criteria provided, single submitter.