{{Rsnum
|rsid=684302
|Chromosome=11
|Orientation=plus
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene=TPH1
|position=18038806
|Gene_s=TPH1
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 31.2 | 44.6 | 24.1
| HCB | 26.5 | 46.3 | 27.2
| JPT | 13.5 | 51.4 | 35.1
| YRI | 65.8 | 27.4 | 6.8
| ASW | 52.6 | 42.1 | 5.3
| CHB | 26.5 | 46.3 | 27.2
| CHD | 22.9 | 54.1 | 22.9
| GIH | 45.0 | 42.0 | 13.0
| LWK | 70.0 | 24.5 | 5.5
| MEX | 39.7 | 44.8 | 15.5
| MKK | 65.2 | 32.3 | 2.6
| TSI | 37.0 | 51.0 | 12.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=23172723
|Title=TPH gene polymorphisms are associated with disease perception and quality of life in women with irritable bowel syndrome
}}

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