A: The variant NC_000019.10:g.46608879C>T in gene CALM3 is classified as 'Uncertain_significance' for Long_QT_syndrome_1|not_provided. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0100316,MedGen:C4551647,OMIM:192500,Orphanet:101016,Orphanet:768|MedGen:C3661900. Review status: criteria provided, multiple submitters, no conflicts.