MA07.050n, Electromyography (EMG) Studies, Nerve Conduction Studies (NCS), and Related Electrodiagnostic Studies
Independence Blue Cross MA07.050n policy for EMG/NCS studies was reissued with ICD-10 code updates effective 10/01/2025. Multiple sclerosis diagnosis code G35 was replaced with five new subcategory codes (G35.A, G35.B0, G35.B1, G35.B2, G35.C0, G35.C1, G35.C2, G35.D), and three S74.21X nerve injury codes had narrative corrections (high level changed to thigh level). No changes to covered procedures, CPT codes, or medical necessity criteria occurred.