{{23andMe SNP 
| Gene = CYP2D6 
| position = 40853799 
| Chromosome = 22 
| geno1 = (A;A) 
| geno2 = (A;G) 
| geno3 = (G;G)  
}}2938C>T marker. The (A) allele indicates non-functioning CYP2D6*4G variant.

{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}