A: The variant NC_000022.11:g.19766778_19766807dup in gene TBX1 is classified as 'Uncertain_significance' for DiGeorge_syndrome|Tetralogy_of_Fallot|not_provided. Molecular consequence: SO:0001627: intron_variant,SO:0001821: inframe_insertion. Variant type: Duplication. Disease database links: MONDO:MONDO:0008564,MedGen:C0012236,OMIM:188400,Orphanet:567|Human_Phenotype_Ontology:HP:0001636,MONDO:MONDO:0008542,MedGen:C0039685,OMIM:187500,Orphanet:3303|MedGen:C3661900. Review status: criteria provided, multiple submitters, no conflicts.