rs139607673

A SNP. Its most notable genotype is C;T: Carrier of a Crigler-Najjar syndrome mutation

Gene
None listed
Highest magnitude
3.0Important
Tested on
Not on consumer chips

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Conditions, medicines and genes

Notes

From SNPedia

Notes

aka c.1003C>T (p.Arg335Trp or R335W) This variant defines the UGT1A1*32 allele, reported to be associated with Crigler-Najjar syndrome, a recessively inherited condition, according to ClinVar. 23andMe name: i5049013

C;T

Unaffected in absence of a second UGT1A1 gene mutation; see text and links via main rs-page

Source and license

Adapted from rs139607673 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.