rs1004819(A;G)

1.5x risk of Crohn's disease, 1.2 for developing ankylosing spondylitis

Magnitude
1.0Minor
Repute
Bad
Frequency
46%Average of 11 populations
On SNPedia
rs1004819(C;T)Minus strand
Gene
IL23R

Frequency

Share of people with A;G in each HapMap population.

  • Tuscan54%
  • African ancestry (Southwest US)51%
  • Han Chinese (Beijing)50%
  • Gujarati Indian50%
  • Chinese (Denver)49%
  • Yoruba (Nigeria)48%
  • Japanese (Tokyo)47%
  • Maasai (Kenya)43%
  • Mexican ancestry (Los Angeles)41%
  • European ancestry (Utah)40%
  • Luhya (Kenya)37%

Other genotypes of rs1004819

  1. G;GMost notableBad1.5x risk of Crohn's disease, 1.2 for developing ankylosing spondylitisMinor · 1.037% of people
  2. A;ANot ratedcommonTypical · 0.017% of people

All about rs1004819

Source and license

Adapted from rs1004819(C;T) 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.