{{Rsnum
|rsid=2283123
|Gene=DBH
|Chromosome=9
|position=133650175
|Orientation=plus
|GMAF=0.09871
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=DBH
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 75.5 | 24.5 | 0.0
| HCB | 76.7 | 21.1 | 2.3
| JPT | 85.0 | 14.2 | 0.9
| YRI | 92.3 | 7.7 | 0.0
| ASW | 89.5 | 10.5 | 0.0
| CHB | 76.7 | 21.1 | 2.3
| CHD | 83.3 | 16.7 | 0.0
| GIH | 60.2 | 31.6 | 8.2
| LWK | 84.4 | 15.6 | 0.0
| MEX | 91.1 | 8.9 | 0.0
| MKK | 81.7 | 17.6 | 0.7
| TSI | 77.0 | 22.0 | 1.0
| HapMapRevision=28
}}Associated with [[schizophrenia]] in a study of Croatians. Due to the limited number and diversity of the studied population, more study is needed to confirm any link. The T allele was associated with a decreased risk of schizophrenia.{{PMID|19673036|OA=1
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}