{{Rsnum
|rsid=4714156
|Gene=BTBD9
|Chromosome=6
|position=38393336
|Orientation=plus
|GMAF=0.4991
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=BTBD9
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 57.5 | 38.1 | 4.4
| HCB | 1.5 | 28.5 | 70.1
| JPT | 3.5 | 29.2 | 67.3
| YRI | 17.1 | 46.6 | 36.3
| ASW | 8.9 | 48.2 | 42.9
| CHB | 1.5 | 28.5 | 70.1
| CHD | 3.7 | 34.9 | 61.5
| GIH | 13.9 | 49.5 | 36.6
| LWK | 18.5 | 50.0 | 31.5
| MEX | 31.0 | 48.3 | 20.7
| MKK | 33.8 | 48.3 | 17.9
| TSI | 52.0 | 43.1 | 4.9
| HapMapRevision=28
}}[[rs4714156]], a SNP located in the [[BTBD9]] gene region, has been linked to a lower frequency of [[restless legs syndrome]], a common sleep disorder, with an overall odds ratio of 0.61 (CI: 0.51-0.74) for the (T) minor allele. {{PMID|17637780}}

{{PMID Auto
|PMID=22914617
|Title=Analysis of the BTBD9 and HTR2C variants in Chinese Han patients with Tourette syndrome.
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | FTDNA2}}
{{on chip | FTDNA}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}