{{Rsnum
|rsid=7646409
|Gene=PIK3CA
|Chromosome=3
|position=179182405
|Orientation=plus
|GMAF=0.2149
|Gene_s=PIK3CA
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 2.7 | 25.7 | 71.7
| HCB | 0.0 | 11.4 | 88.6
| JPT | 0.0 | 13.5 | 86.5
| YRI | 22.1 | 45.0 | 32.9
| ASW | 12.3 | 52.6 | 35.1
| CHB | 0.0 | 11.4 | 88.6
| CHD | 0.0 | 21.1 | 78.9
| GIH | 5.0 | 43.0 | 52.0
| LWK | 15.0 | 45.8 | 39.3
| MEX | 3.4 | 32.8 | 63.8
| MKK | 14.3 | 58.4 | 27.3
| TSI | 5.0 | 39.0 | 56.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=24175786
|Title=PIK3CA and AKT Gene Polymorphisms in Susceptibility to Osteosarcoma in a Chinese Population
}}

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