{{Rsnum
|rsid=1902272
|Chromosome=13
|position=31551178
|Orientation=plus
|GMAF=0.3365
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 5.4 | 41.1 | 53.6
| HCB | 11.7 | 48.9 | 39.4
| JPT | 18.0 | 50.5 | 31.5
| YRI | 6.8 | 39.7 | 53.4
| ASW | 12.3 | 28.1 | 59.6
| CHB | 11.7 | 48.9 | 39.4
| CHD | 15.6 | 45.9 | 38.5
| GIH | 32.7 | 50.5 | 16.8
| LWK | 11.8 | 46.4 | 41.8
| MEX | 12.1 | 44.8 | 43.1
| MKK | 3.8 | 35.3 | 60.9
| TSI | 14.7 | 45.1 | 40.2
| HapMapRevision=28
}}{{PMID Auto GWAS
  |PMID=23319000
  |Trait=Metabolite levels (HVA/MHPG ratio)
  |Title=Genome-wide association study of monoamine metabolite levels in human cerebrospinal fluid.
  |RiskAllele=C
  |Pval=1E-6
  |OR=.31
  |ORtxt=unit increase
  }}

{{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}}