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2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Other Disorders Of The Central Nervous System 340-349 > ICD-9-CM Diagnosis 349 Other and unspecified disorders of the nervous system 349 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 349.0 Reaction to spinal or lumbar puncture 349.0 is a specific code that can be used to specify a diagnosis 349.0 contains 15 index entries ICD-9-CM Diagnosis 349.1 Nervous system complications from surgically implanted device 349.1 is a specific code that can be used to specify a diagnosis 349.1 contains 1 index entry ICD-9-CM Diagnosis 349.2 Disorders of meninges not elsewhere classified 349.2 is a specific code that can be used to specify a diagnosis 349.2 contains 25 index entries ICD-9-CM Diagnosis 349.8 Other specified disorders of nervous system 349.8 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 349.81 Cerebrospinal fluid rhinorrhea Discharge of cerebrospinal fluid through the nose. Common etiologies include trauma, neoplasms, and prior surgery, although the condition may occur spontaneously. (Otolaryngol Head Neck Surg 1997 Apr;116(4):442-9) 349.81 is a specific code that can be used to specify a diagnosis 349.81 contains 2 index entries ICD-9-CM Diagnosis 349.82 Toxic encephalopathy 349.82 is a specific code that can be used to specify a diagnosis 349.82 contains 8 index entries ICD-9-CM Diagnosis 349.89 Other specified disorders of nervous system 349.89 is a specific code that can be used to specify a diagnosis 349.89 contains 18 index entries ICD-9-CM Diagnosis 349.9 Unspecified disorders of nervous system Diseases of any component of the brain (including the cerebral hemispheres, diencephalon, brain stem, and cerebellum) or the spinal cord. Diseases of the central and peripheral nervous system. This includes disorders of the brain, spinal cord, cranial nerves, peripheral nerves, nerve roots, autonomic nervous system, neuromuscular junction, and muscle. 349.9 is a specific code that can be used to specify a diagnosis 349.9 contains 13 index entries