A: The variant NC_000019.10:g.35651345C>T in gene COX6B1 is classified as 'Conflicting_classifications_of_pathogenicity' for not_provided|Mitochondrial_complex_IV_deficiency,_nuclear_type_1. Molecular consequence: SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:C3661900|MONDO:MONDO:0700250,MedGen:C5435656,OMIM:220110. Review status: criteria provided, conflicting classifications.