A: The variant NC_000019.10:g.17338152A>C in gene GTPBP3 is classified as 'Benign' for not_provided|not_specified|Combined_oxidative_phosphorylation_defect_type_23. Molecular consequence: SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:C3661900|MedGen:CN169374|MONDO:MONDO:0014525,MedGen:C5567743,OMIM:616198,Orphanet:444013. Review status: criteria provided, multiple submitters, no conflicts.