A: The variant NC_000019.10:g.35654664C>T in gene COX6B1 is classified as 'Conflicting_classifications_of_pathogenicity' for Mitochondrial_complex_4_deficiency,_nuclear_type_7|not_provided|Inborn_genetic_diseases. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0033637,MedGen:C5436685,OMIM:619051|MedGen:C3661900|MeSH:D030342,MedGen:C0950123. Review status: criteria provided, conflicting classifications.