A: The variant NC_000022.11:g.19968491G>C in gene ARVCF is classified as 'Benign' for Tramadol_response|not_provided. Molecular consequence: SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:CN078023|MedGen:C3661900. Review status: criteria provided, multiple submitters, no conflicts.