Skip to main content

Login to North West London Pathology – consumables service

If you need a new account or you have a query about your order, please telephone the pathology call centre on 0203 313 5353.

If you have forgotten your password you can reset this yourself. Please click here if you have forgotten your password.

Results Line and Enquiries

0203 313 5353

HLA-B*27 Typing (B27)

Category Immunology >> Histocompatibility and Immunogenetics
Clinical Indications

Although HLA B27 is present in approximately 10% of the normal population, it if found in 88-96% of patients with ankylosing spondylitis (AS). It is also associated with other rheumatological disorders, including Reiter's syndrome and is a strong diagnostic indicator for AS. A positive result indicates the presence of this antigen.

Reference range


Sample & container required 4mL Whole Blood - EDTA
Sample volume 4 mL
Turnaround time 14 days

Samples must be sent via first class post or courier

The laboratory is accredited for this test by the European Federation of Immunogenetics (EFI) and UKAS for HLA typing using EDTA samples.