rs137852399

A SNP in the F8 gene on chromosome X. Its most notable genotype is C;T: Carrier of a Hemophilia A mutation

Gene
F8
Location
Chr X154,969,508 (GRCh38)
Highest magnitude
3.5Important
Tested on
AncestryDNA

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

SNPedia records rs137852399 on the minus strand: (A;G), (G;G). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Notes

From SNPedia

Notes

C;T

X-linked recessive, so females are generally unaffected in the absence of a second F8 gene mutation, however some females may experience clotting issues.

Source and license

Adapted from rs137852399 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.