{{Rsnum
|rsid=9550642
|Gene=LOC100133618
|Chromosome=13
|position=20375953
|Orientation=plus
|GMAF=0.1368
|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 | 17.7 | 81.4
| HCB | 8.0 | 46.7 | 45.3
| JPT | 17.7 | 49.6 | 32.7
| YRI | 0.0 | 0.0 | 100.0
| ASW | 0.0 | 17.5 | 82.5
| CHB | 8.0 | 46.7 | 45.3
| CHD | 13.1 | 39.3 | 47.7
| GIH | 8.9 | 39.6 | 51.5
| LWK | 0.0 | 1.8 | 98.2
| MEX | 0.0 | 12.1 | 87.9
| MKK | 0.0 | 4.5 | 95.5
| TSI | 0.0 | 17.6 | 82.4
| HapMapRevision=28
}}[[rs9550642]] has been reported in a large study to be associated with [[rheumatoid arthritis]].

The risk allele (oriented to the dbSNP entry) is (A); the odds ratio associated with heterozygotes is 1.34 (CI 1.15-1.56), and for homozygotes, 2.23 (CI 1.21-4.13). {{PMID|17554300|OA=1
}}

{{PMID Auto
|PMID=18794857
|Title=Rheumatoid arthritis susceptibility loci at chromosomes 10p15, 12q13 and 22q13.
|OA=1
}}

{{PMID Auto
|PMID=20017963
|Title=Representation of genetic association via attributable familial relative risks in order to identify polymorphisms functionally relevant to rheumatoid arthritis.
|OA=1
}}

{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | FTDNA2}}
{{on chip | FTDNA}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}