{{Rsnum
|rsid=17187619
|Gene=HRH4
|Chromosome=18
|position=24469616
|Orientation=plus
|GMAF=0.2094
|Gene_s=HRH4
|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 | 3.5 | 31.0 | 65.5
| HCB | 5.1 | 27.7 | 67.2
| JPT | 7.1 | 38.9 | 54.0
| YRI | 0.7 | 11.6 | 87.8
| ASW | 1.8 | 12.3 | 86.0
| CHB | 5.1 | 27.7 | 67.2
| CHD | 0.9 | 40.4 | 58.7
| GIH | 5.0 | 29.7 | 65.3
| LWK | 0.9 | 22.7 | 76.4
| MEX | 12.1 | 44.8 | 43.1
| MKK | 1.9 | 32.7 | 65.4
| TSI | 7.8 | 41.2 | 51.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=22653292
|Title=Asthma endophenotypes and polymorphisms in the histamine receptor HRH4 gene
}}

{{on chip | FTDNA}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}