{{Rsnum
|rsid=487202
|Chromosome=18
|position=24482852
|Orientation=minus
|GMAF=0.2498
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;G)
|geno3=(G;G)
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;G)
| geno3=(G;G)
| CEU | 36.9 | 51.4 | 11.7
| HCB | 96.2 | 3.8 | 0.0
| JPT | 99.1 | 0.9 | 0.0
| YRI | 53.8 | 38.6 | 7.6
| ASW | 0.0 | 0.0 | 0.0
| CHB | 96.2 | 3.8 | 0.0
| CHD | 0.0 | 0.0 | 0.0
| GIH | 64.4 | 33.7 | 2.0
| LWK | 61.8 | 32.7 | 5.5
| MEX | 57.9 | 38.6 | 3.5
| MKK | 53.8 | 41.0 | 5.1
| TSI | 34.3 | 49.0 | 16.7
| HapMapRevision=28
}}{{PMID Auto
|PMID=22653292
|Title=Asthma endophenotypes and polymorphisms in the histamine receptor HRH4 gene
}}

{{on chip | Affy GenomeWide 6}}