{{Rsnum
|rsid=4448731
|Chromosome=12
|position=71935326
|Orientation=plus
|GMAF=0.3848
|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 | 32.3 | 46.2 | 21.5
| HCB | 13.3 | 57.8 | 28.9
| JPT | 29.5 | 38.6 | 31.8
| YRI | 0.0 | 29.5 | 70.5
| ASW | 0.0 | 0.0 | 0.0
| CHB | 13.3 | 57.8 | 28.9
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=19800079
|Title=Association of polymorphisms of the tryptophan hydroxylase 2 gene with risk for bipolar disorder or suicidal behavior
}}

{{PMID Auto
|PMID=17217922
|Title=Effect of tryptophan hydroxylase-2 gene variants on suicide risk in major depression.
}}

{{PMID Auto
|PMID=21085052
|Title=Association study of tryptophan hydroxylase 2 gene polymorphisms in bipolar disorder patients with panic disorder comorbidity.
}}

{{PMID Auto
|PMID=21172166
|Title=Pharmacogenetics of antidepressant response.
|OA=1
}}

{{PMID Auto
|PMID=21412658
|Title=Associations between polymorphic variants of the tryptophan hydroxylase 2 gene and obsessive-compulsive disorder.
}}

{{PMID Auto
|PMID=22392150
|Title=Common variants in the TPH2 promoter confer susceptibility to paranoid schizophrenia.
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}