A: The variant NC_000019.10:g.40848628A>T in gene CYP2A6 is classified as 'drug_response' for Nicotine,_poor_metabolism_of|Warfarin_response. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:C1852516|MONDO:MONDO:0007390,MedGen:C0750384,OMIM:122700. Review status: no assertion criteria provided.