A: The variant NC_000020.11:g.63407307del in gene KCNQ2 is classified as 'Pathogenic' for Seizures,_benign_familial_neonatal,_1|Early_infantile_epileptic_encephalopathy_with_suppression_bursts. Molecular consequence: SO:0001589: frameshift_variant. Variant type: Deletion. Disease database links: MONDO:MONDO:0007365,MedGen:C3149074,OMIM:121200,Orphanet:1949|MONDO:MONDO:0100062,MedGen:C0393706,OMIM:PS308350,Orphanet:1934. Review status: criteria provided, single submitter.