{{Rsnum
|rsid=17583889
|Gene=HNMT
|Chromosome=2
|position=137988469
|Orientation=plus
|GMAF=0.1244
|Gene_s=HNMT
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;C)
| geno3=(C;C)
| CEU | 1.8 | 27.4 | 70.8
| HCB | 0.7 | 22.6 | 76.6
| JPT | 0.9 | 12.4 | 86.7
| YRI | 0.0 | 5.4 | 94.6
| ASW | 0.0 | 12.3 | 87.7
| CHB | 0.7 | 22.6 | 76.6
| CHD | 0.0 | 20.2 | 79.8
| GIH | 4.0 | 31.7 | 64.4
| LWK | 0.0 | 6.4 | 93.6
| MEX | 1.7 | 25.9 | 72.4
| MKK | 3.2 | 19.9 | 76.9
| TSI | 9.8 | 32.4 | 57.8
| HapMapRevision=28
}}{{PMID Auto
|PMID=23154571
|Title=Unexpected doxorubicin-mediated cardiotoxicity in sisters: Possible role of polymorphisms in histamine n-methyl transferase
|OA=1
}}

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