ICD 9 CM Codes

320-326 Inflammatory Diseases of the Central Nervous System
327-327.8 Organic Sleep Disorders
330-337.9 Hereditary and Degenerative Diseases of the Central Nervous System
338-338.4 Pain
339-339.89 Other Headache Syndromes
340-349.9 Other Disorders of the Central Nervous System
350-359.9 Disorders of the Peripheral Nervous System
360-379.99 Disorders of the Eye and Adnexa
380-389.9 Diseases of the Ear and Mastoid Process