{{Rsnum
|rsid=3778151
|Gene=OPRM1
|Chromosome=6
|position=154072545
|Orientation=plus
|GMAF=0.1657
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=OPRM1
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 0.0 | 35.4 | 64.6
| HCB | 0.0 | 8.9 | 91.1
| JPT | 0.0 | 4.5 | 95.5
| YRI | 9.8 | 31.1 | 59.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 0.0 | 8.9 | 91.1
| 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=18518925
|Title=Genetic susceptibility to heroin addiction: a candidate gene association study
|OA=1
}}

{{PMID Auto
|PMID=17157823
|Title=Effect of mu-opioid receptor gene polymorphisms on heroin-induced subjective responses in a Chinese population.
}}

{{PMID Auto
|PMID=19500151
|Title=Heroin addiction in African Americans: a hypothesis-driven association study.
|OA=1
}}

{{PMID Auto
|PMID=20100356
|Title=PCA-based bootstrap confidence interval tests for gene-disease association involving multiple SNPs.
|OA=1
}}

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