A: The variant NC_000021.9:g.46534005T>G in gene DIP2A is classified as 'Uncertain_significance' for Long_QT_syndrome. Molecular consequence: SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0002442,MeSH:D008133,MedGen:C0023976. Review status: criteria provided, single submitter.