A: The variant NC_000019.10:g.35033703G>A in gene SCN1B is classified as 'Benign/Likely_benign' for Long_QT_syndrome|Generalized_epilepsy_with_febrile_seizures_plus,_type_1|Brugada_syndrome_5|SCN1B-related_disorder|Cardiovascular_phenotype|not_provided|not_specified. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0002442,MeSH:D008133,MedGen:C0023976|MONDO:MONDO:0011416,MedGen:C1858672,OMIM:604233,Orphanet:36387|MONDO:MONDO:0013015,MedGen:C2748541,OMIM:612838,Orphanet:130,Orphanet:871|.|MedGen:CN230736|MedGen:C3661900|MedGen:CN169374. Review status: criteria provided, multiple submitters, no conflicts.