{{Rsnum
|rsid=2239393
|Gene=COMT
|Chromosome=22
|position=19962905
|Orientation=plus
|GMAF=0.3811
|Gene_s=COMT,MIR4761
|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 | 35.4 | 45.1 | 19.5
| HCB | 37.2 | 51.8 | 10.9
| JPT | 43.4 | 44.2 | 12.4
| YRI | 38.1 | 46.9 | 15.0
| ASW | 38.6 | 47.4 | 14.0
| CHB | 37.2 | 51.8 | 10.9
| CHD | 49.5 | 43.1 | 7.3
| GIH | 43.6 | 41.6 | 14.9
| LWK | 40.9 | 38.2 | 20.9
| MEX | 51.7 | 41.4 | 6.9
| MKK | 35.5 | 46.5 | 18.1
| TSI | 24.5 | 52.9 | 22.5
| HapMapRevision=28
}}{{PMID Auto
|PMID=21206424
|Title=Novel Polymorphisms Associated With Tacrolimus Trough Concentrations: Results From a Multicenter Kidney Transplant Consortium
|OA=1
}}

{{PMID Auto
|PMID=18937309
|Title=Sexually dimorphic effects of four genes (COMT, SLC6A2, MAOA, SLC6A4) in genetic associations of ADHD: a preliminary study.
|OA=1
}}

{{PMID Auto
|PMID=19094200
|Title=Genetic variation in the catechol-O-methyltransferase (COMT) gene and morphine requirements in cancer patients with pain.
|OA=1
}}

{{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}}