A: The variant NC_000019.10:g.35648270G>A in gene COX6B1 is classified as 'Benign/Likely_benign' for not_provided|Mitochondrial_complex_IV_deficiency,_nuclear_type_1. Variant type: single_nucleotide_variant. Disease database links: MedGen:C3661900|MONDO:MONDO:0700250,MedGen:C5435656,OMIM:220110. Review status: criteria provided, multiple submitters, no conflicts.