A: The variant NC_000019.10:g.51354274G>A in gene ETFB is classified as 'Uncertain_significance' for Multiple_acyl-CoA_dehydrogenase_deficiency|Inborn_genetic_diseases. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0009282,MedGen:C0268596,OMIM:231680,Orphanet:26791|MeSH:D030342,MedGen:C0950123. Review status: criteria provided, multiple submitters, no conflicts.