A: The variant NC_000022.11:g.50523649G>T in gene SCO2 is classified as 'Conflicting_classifications_of_pathogenicity' for Fatal_Infantile_Cardioencephalomyopathy|not_provided|Mitochondrial_complex_IV_deficiency,_nuclear_type_1|Cardioencephalomyopathy,_fatal_infantile,_due_to_cytochrome_c_oxidase_deficiency_1|not_specified. Molecular consequence: SO:0001624: 3_prime_UTR_variant,SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:CN239235|MedGen:C3661900|MONDO:MONDO:0700250,MedGen:C5435656,OMIM:220110|MONDO:MONDO:0011451,MedGen:C5399977,OMIM:604377,Orphanet:1561|MedGen:CN169374. Review status: criteria provided, conflicting classifications.