{{Rsnum
|rsid=11571314
|Gene=ICOS
|Chromosome=2
|position=203957119
|Orientation=plus
|GMAF=0.2645
|Gene_s=ICOS
|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 | 47.5 | 44.1 | 8.5
| HCB | 80.5 | 17.1 | 2.4
| JPT | 63.6 | 29.5 | 6.8
| YRI | 30.6 | 48.4 | 21.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 80.5 | 17.1 | 2.4
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=22977635
|Title=Association study between polymorphisms of CD28, CTLA4 and ICOS and non-segmental vitiligo in a Korean population
|OA=1
}}