This private blood test measures the different types of haemoglobin in your blood, used to screen for conditions such as sickle cell trait or disease and thalassaemia. The test costs £137.50, plus a £50 blood-draw fee, with results usually available in 4 days.
You can walk in or book online at 117a Harley Street, seven days a week.
Written by Mr Stephen Lingam. Reviewed by Dr Mohammad Bakhtiar (GMC 4694470) on 28/09/2026.
It measures the different types of haemoglobin in your blood, used to screen for conditions such as sickle cell trait or disease and thalassaemia.
The test costs £137.50. A separate £50 blood-draw fee applies.
Results are usually available in 4 days.
No GP referral is needed. You can walk in or book online.