A: The variant NC_000020.11:g.63439656C>T in gene KCNQ2 is classified as 'Pathogenic' for Seizures,_benign_familial_neonatal,_1|Developmental_and_epileptic_encephalopathy,_7|not_provided. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0007365,MedGen:C3149074,OMIM:121200,Orphanet:1949|MONDO:MONDO:0013387,MedGen:C3150986,OMIM:613720,Orphanet:439218|MedGen:C3661900. Review status: criteria provided, single submitter.