{{Rsnum
|rsid=9479757
|Gene=OPRM1
|Chromosome=6
|position=154090209
|Orientation=plus
|GMAF=0.0978
|Gene_s=OPRM1
|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 | 15.0 | 84.1
| HCB | 0.0 | 9.5 | 90.5
| JPT | 0.0 | 2.7 | 97.3
| YRI | 2.8 | 18.6 | 78.6
| ASW | 0.0 | 21.1 | 78.9
| CHB | 0.0 | 9.5 | 90.5
| CHD | 0.0 | 11.0 | 89.0
| GIH | 0.0 | 9.9 | 90.1
| LWK | 6.4 | 36.4 | 57.3
| MEX | 0.0 | 31.0 | 69.0
| MKK | 0.6 | 14.1 | 85.3
| TSI | 0.0 | 17.6 | 82.4
| HapMapRevision=28
}}{{PMID Auto
|PMID=24086514
|Title=Association of Polymorphisms in Pharmacogenetic Candidate Genes (OPRD1, GAL, ABCB1, OPRM1) with Opioid Dependence in European Population: A Case-Control Study
|OA=1
}}

{{PMID Auto
|PMID=16887046
|Title=The mu-opioid receptor gene and smoking initiation and nicotine dependence.
|OA=1
}}

{{on chip | Illumina Human 1M}}