A: The variant NC_000020.11:g.44629045dup in gene ADA is classified as 'Conflicting_classifications_of_pathogenicity' for Severe_combined_immunodeficiency,_autosomal_recessive,_T_cell-negative,_B_cell-negative,_NK_cell-negative,_due_to_adenosine_deaminase_deficiency|not_provided. Molecular consequence: SO:0001575: splice_donor_variant. Variant type: Duplication. Disease database links: MONDO:MONDO:0007064,MedGen:C1863236,OMIM:102700,Orphanet:277|MedGen:C3661900. Review status: criteria provided, conflicting classifications.