rs1554081886

A SNP. Its most notable genotype is A;A: Factor XI deficiency

Gene
None listed
Highest magnitude
5.0Very important
Tested on
Not on consumer chips

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. -;-Goodcommon/normalTypical · 0.0
  2. -;ABadcarrier of factor XI mutationImportant · 3.0
  3. A;AMost notableBadFactor XI deficiencyVery important · 5.0

On SNPedia: (-;-), (-;A), (A;A). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Conditions, medicines and genes

Notes

From SNPedia

Notes

NM_000128.3:c.155dup

-;A

Usually not affected in absence of a second F11 gene mutation

Source and license

Adapted from rs1554081886 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.