A: The variant NC_000019.10:g.41988144G>C in gene ATP1A3 is classified as 'Benign' for not_specified|Dystonia_12|Cerebellar_ataxia-areflexia-pes_cavus-optic_atrophy-sensorineural_hearing_loss_syndrome|Developmental_and_epileptic_encephalopathy_99|not_provided|Alternating_hemiplegia_of_childhood_2. Molecular consequence: SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:CN169374|MONDO:MONDO:0007496,MedGen:C1868681,OMIM:128235,Orphanet:71517|MONDO:MONDO:0011038,MedGen:C1832466,OMIM:601338,Orphanet:1171|MONDO:MONDO:0030473,MedGen:C5562018,OMIM:619606|MedGen:C3661900|MONDO:MONDO:0013900,MedGen:C3553788,OMIM:614820,Orphanet:2131. Review status: criteria provided, multiple submitters, no conflicts.