{{Rsnum
|rsid=10815149
|Gene=JAK2
|Chromosome=9
|position=5063701
|Orientation=plus
|GMAF=0.3402
|Assembly=GRCh37
|GenomeBuild=37.1
|dbSNPBuild=131
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}
{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 8.0 | 46.9 | 45.1
| HCB | 8.9 | 36.3 | 54.8
| JPT | 6.2 | 38.9 | 54.9
| YRI | 24.5 | 52.4 | 23.1
| ASW | 12.5 | 51.8 | 35.7
| CHB | 8.9 | 36.3 | 54.8
| CHD | 3.7 | 41.7 | 54.6
| GIH | 6.0 | 39.0 | 55.0
| LWK | 34.0 | 42.5 | 23.6
| MEX | 15.5 | 48.3 | 36.2
| MKK | 28.2 | 51.3 | 20.5
| TSI | 5.9 | 44.6 | 49.5
| HapMapRevision=28
}}[http://blog.23andme.com/2009/03/16/snpwatch-inherited-genetic-variation-may-predispose-people-for-blood-disorder-mutation-later-in-life/ 23andMe blog] rs10815149(C) increased risk of myeloproliferative neoplasm due to stem cells over producing too many of one type of cell.

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