Muscle-specific Tyrosine Kinase (MuSK) Autoantibody Measurement of More Than 53,000 Myasthenia Gravis Samples by Radioimmunoprecipitation Method in a Clinical Reference Laboratory Setting (P4-11.002)

To validate a quantitative assay to measure antibodies to the muscle-specific tyrosine kinase (MuSK) to aid in the assessment, monitoring, and management of patients with seronegative myasthenia gravis (MG).