{{Rsnum
|rsid=3122169
|Gene=HCRTR2
|Chromosome=6
|position=55248613
|Orientation=plus
|GMAF=0.2631
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
|Gene_s=HCRTR2
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;C)
| geno3=(C;C)
| CEU | 70.8 | 28.3 | 0.9
| HCB | 31.6 | 53.7 | 14.7
| JPT | 11.6 | 58.9 | 29.5
| YRI | 93.2 | 6.8 | 0.0
| ASW | 87.5 | 10.7 | 1.8
| CHB | 31.6 | 53.7 | 14.7
| CHD | 17.6 | 56.5 | 25.9
| GIH | 67.3 | 27.7 | 5.0
| LWK | 88.1 | 11.9 | 0.0
| MEX | 24.6 | 61.4 | 14.0
| MKK | 86.5 | 13.5 | 0.0
| TSI | 69.6 | 26.5 | 3.9
| HapMapRevision=28
}}{{omim
|desc=CLUSTER HEADACHE, FAMILIAL
|id=119915
|rsnum=3122169
}}

{{omim
|desc=HYPOCRETIN RECEPTOR 2; HCRTR2
|id=602393
|rsnum=3122169
}}

{{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}}