rs80338898

A SNP in the FAH gene on chromosome 15. Its most notable genotype is T;T: Tyrosinemia type I

Gene
FAH
Location
Chr 1580,173,089 (GRCh38)
Highest magnitude
5.0Very important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. C;CGoodcommon in clinvarTypical · 0.0
  2. C;TBadcarrier for a tyrosinemia type I alleleImportant · 3.0
  3. T;TMost notableBadTyrosinemia type IVery important · 5.0

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

Other FAH SNPs

All FAH SNPs

Source and license

Adapted from rs80338898 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.