A: The variant NC_000020.11:g.49373826C>G in gene KCNB1 is classified as 'Benign/Likely_benign' for Developmental_and_epileptic_encephalopathy,_26|KCNB1-related_disorder|not_provided. Molecular consequence: SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0014477,MedGen:C4015119,OMIM:616056,Orphanet:442835|.|MedGen:C3661900. Review status: criteria provided, multiple submitters, no conflicts.