ICD-9-CM Vol. 1 Diagnostic Codes

6. DISEASES OF THE NERVOUS SYSTEM AND SENSE ORGANS (320-389)

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Code(s)	Description
320.0‑327.8	INFLAMMATORY DISEASES OF THE CENTRAL NERVOUS SYSTEM (320-327)
330.0‑337.9	HEREDITARY AND DEGENERATIVE DISEASES OF THE CENTRAL NERVOUS SYSTEM (330-337)
338.0‑338.4	PAIN (338)
339.00‑339.89	OTHER HEADACHE SYNDROMES (339)
340‑349.9	OTHER DISORDERS OF THE CENTRAL NERVOUS SYSTEM (340-349)
350.1‑359.9	DISORDERS OF THE PERIPHERAL NERVOUS SYSTEM (350-359)
360.00‑379.99	DISORDERS OF THE EYE AND ADNEXA (360-379)
380.00‑389.9	DISEASES OF THE EAR AND MASTOID PROCESS (380-389)