A: The variant NC_000020.11:g.33412344C>T in gene SNTA1 is classified as 'Uncertain_significance' for not_provided|Long_QT_syndrome_12|Long_QT_syndrome|Cardiovascular_phenotype|not_specified. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:C3661900|MONDO:MONDO:0013062,MedGen:C2751830,OMIM:612955,Orphanet:101016,Orphanet:768|MONDO:MONDO:0002442,MeSH:D008133,MedGen:C0023976|MedGen:CN230736|MedGen:CN169374. Review status: criteria provided, multiple submitters, no conflicts.