This private blood test measures antibodies against muscle-specific kinase (MuSK), used to help investigate suspected myasthenia gravis. The test costs £443.13, plus a £50 blood-draw fee, with results usually available in 2 weeks.
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 antibodies against muscle-specific kinase (MuSK), used to help investigate suspected myasthenia gravis.
The test costs £443.13. A separate £50 blood-draw fee applies.
Results are usually available in 2 weeks.
No GP referral is needed. You can walk in or book online.