{{Rsnum
|rsid=4822489
|Gene=ADORA2A
|Chromosome=22
|position=24437792
|Orientation=plus
|GMAF=0.4826
|Gene_s=ADORA2A,C22orf45
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(G;G)
|geno2=(G;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(G;G)
| geno2=(G;T)
| geno3=(T;T)
| CEU | 33.8 | 53.8 | 12.3
| HCB | 31.1 | 44.4 | 24.4
| JPT | 33.3 | 48.9 | 17.8
| YRI | 0.0 | 34.9 | 65.1
| ASW | 0.0 | 0.0 | 0.0
| CHB | 31.1 | 44.4 | 24.4
| 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=21088442
|Title=Variants of the Adenosine A(2A) Receptor Gene Are Protective against Proliferative Diabetic Retinopathy in Patients with Type 1 Diabetes
|OA=1
}}

{{PMID Auto
|PMID=18539621
|Title=Polymorphisms within the adenosine receptor 2a gene are associated with adverse events in RA patients treated with MTX.
|OA=1
}}

{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}