rs104894807
A SNP in the F9 gene on chromosome X. Its most notable genotype is C;T: hemophilia B if male; carrier if female
- Gene
- F9
- Location
- Chr X139,548,404 (GRCh38)
- Highest magnitude
- 3.0Important
- Tested on
- Not on consumer chips
Genotypes
As shown in 23andMe and AncestryDNA files.
- C;TMost notableBadhemophilia B if male; carrier if female
- T;TGoodcommon in clinvar
On SNPedia: (C;T), (T;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Related
Other F9 SNPs
- i5007022A;G“royal disease” also known as hemophilia B or Christmas diseaseVery important
- rs398122990A;G“royal disease” also known as hemophilia B or Christmas diseaseVery important
- rs137852229C;CHemophilia B (severity varies)Very important
- rs137852230G;GHemophilia B (severity varies)Very important
- rs137852231C;CHemophilia B (severity varies)Very important
- rs137852232G;GHemophilia B (severity varies)Very important
- rs137852233A;AHemophilia B (severity varies)Very important
- rs137852234G;GHemophilia B (severity varies)Very important
Source and license
Adapted from rs104894807 on SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.
SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.