This private blood test measures the three main classes of antibody in your blood, IgG, IgM and IgA, used to assess general immune function. The test costs £113.13, plus a £50 blood-draw fee, with results usually available in 1 day.
You can walk in or book online at 117a Harley Street, seven days a week.
Written by Mr Stephen Lingam. Reviewed by Dr Scott Pereira (GMC 1524080) on 28/09/2026.
It measures the three main classes of antibody in your blood, IgG, IgM and IgA, used to assess general immune function.
The test costs £113.13. A separate £50 blood-draw fee applies.
Results are usually available in 1 day.
No GP referral is needed. You can walk in or book online.