{{Rsnum
|rsid=3130380
|Gene=HCG18
|Chromosome=6
|position=30311353
|Orientation=plus
|GMAF=0.03903
|Gene_s=HCG17,HCG18
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 0.9 | 20.4 | 78.8
| HCB | 0.0 | 0.0 | 100.0
| JPT | 0.0 | 0.0 | 100.0
| YRI | 0.0 | 2.7 | 97.3
| ASW | 0.0 | 5.3 | 94.7
| CHB | 0.0 | 0.0 | 100.0
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 7.3 | 92.7
| MEX | 0.0 | 3.4 | 96.6
| MKK | 0.0 | 1.3 | 98.7
| TSI | 0.0 | 9.8 | 90.2
| HapMapRevision=28
}}{{PMID|19143812|OA=1
}} HLA-DQB1 8.1 haplotype is associated with significantly lower risk for [[type-1 diabetes]]
*[[rs2157678]](T)
*[[rs3130380]](A)
*[[rs3094628]](C)
*[[rs3130352]](T)

{{PMID Auto
|PMID=18204098
|Title=Association of systemic lupus erythematosus with C8orf13-BLK and ITGAM-ITGAX.
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | FTDNA}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}