Question: Encounter notes indicate that the provider performed a level-three evaluation and management (E/M) service for a patient with “Roussy-Levy synd.” What ICD-10 code represents this diagnosis? Answer: You can’t draw a direct line to this diagnosis; but Roussy-Levy syndrome is listed as a synonym under G60.0 (Hereditary motor and sensory neuropathy), which is what you should report on your 99213 (Office or other outpatient visit for the evaluation and management of an established patient, which requires a medically appropriate history and/or examination and low level of medical decision making. When using time for code selection, 20-29 minutes of total time is spent on the date of the encounter.) claim. In addition to Roussy-Levy syndrome, you should also code these conditions with G60.0: