Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes G00-G99 – Diseases of the nervous system (G00-G99) > 2024 ICD-10-CM Codes G30-G32 – Other degenerative diseases of the nervous system (G30-G32) > 2024 ICD-10-CM Codes G31 – Other degenerative diseases of nervous system, not elsewhere classified (G31) > 2024 ICD-10-CM Codes G31.8 – Other specified degenerative diseases of nervous system (G31.8)