A: The variant NC_000020.11:g.63414923G>A in gene KCNQ2 is classified as 'Conflicting_classifications_of_pathogenicity' for Early_infantile_epileptic_encephalopathy_with_suppression_bursts|not_provided|Complex_neurodevelopmental_disorder|Seizures,_benign_familial_neonatal,_1|Developmental_and_epileptic_encephalopathy,_7. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0100062,MedGen:C0393706,OMIM:PS308350,Orphanet:1934|MedGen:C3661900|MONDO:MONDO:0100038,MedGen:C5568766,Orphanet:528084|MONDO:MONDO:0007365,MedGen:C3149074,OMIM:121200,Orphanet:1949|MONDO:MONDO:0013387,MedGen:C3150986,OMIM:613720,Orphanet:439218. Review status: criteria provided, conflicting classifications.