{{Rsnum
|rsid=4239702
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Chromosome=20
|Orientation=plus
|Gene=CD40
|position=46120612
|Gene_s=CD40
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 50.9 | 42.9 | 6.2
| HCB | 45.2 | 43.0 | 11.9
| JPT | 26.8 | 54.5 | 18.8
| YRI | 78.5 | 19.4 | 2.1
| ASW | 70.9 | 27.3 | 1.8
| CHB | 45.2 | 43.0 | 11.9
| CHD | 44.0 | 40.4 | 15.6
| GIH | 54.0 | 39.0 | 7.0
| LWK | 70.4 | 26.9 | 2.8
| MEX | 48.2 | 44.6 | 7.1
| MKK | 66.9 | 29.2 | 3.9
| TSI | 41.0 | 53.0 | 6.0
| HapMapRevision=28
}}{{PMID Auto GWAS
  |PMID=24390342
  |Trait=Rheumatoid arthritis
  |Title=Genetics of rheumatoid arthritis contributes to biology and drug discovery.
  |RiskAllele=C
  |Pval=4E-18
  |OR=1.13
  |ORtxt=[1.10-1.16]
  }}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Illumina Human 1M}}