UGT1A1*28 for Gilbert's Syndrome

A genetic test for the UGT1A1*28 polymorphism located in the promoter region of the urine diphosphate glucuronsyltransferase gene

  • For the diagnosis of Gilbert's Syndrome
  • To assess patients prior to commencing Irinotecan therapy and other drugs metabolised by UGT1A1*28

Download user information leaflet



 Gilberts Syndrome



Clinical Biochemistry

Specimen Type:

4 ml EDTA whole blood


4oC prior to posting

Posting Details:

First class mail or your chosen courier - ambient

Posting Address:

Department of Clinical Biochemistry, City Hospital, Dudley Road, Birmingham B18 7QH

Clinical Use:

To help with the diagnosis of Gilbert's Syndrome.
To check patient genotype prior to treatment with Irinotecan and other drugs that are metabolised by UGT1A1

Special Details:

If you would like to send a aliquot of serum (1 ml or more) then we will analyse liver function tests to help with our interpretation to you.


3 working day target

External QA Scheme:

Sample sharing

CPA Accredited Lab/Test:





Key Contact:

Professor Jonathan Berg

Laboratory Number

Tel: 0121 507 5025

UGT1A1*28 Gilberts Syndrome assayUGT1a1*28 assay

  SWBH NHS Trust 2019 6