G90 | Disorders of autonomic nervous system | |||||||
Excludes: | dysfunction of autonomic nervous system due to alcohol
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G90.0 | Idiopathic peripheral autonomic neuropathy | |||||||
Carotid sinus syncope
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G90.1 | Familial dysautonomia [Riley-Day] | |||||||
G90.2 | Horner's syndrome | |||||||
Bernard(-Horner) syndrome
|
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G90.3 | Multi-system degeneration | |||||||
Neurogenic orthostatic hypotension [Shy-Drager]
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Excludes: | orthostatic hypotension NOS
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G90.4 | Autonomic dysreflexia | |||||||
G90.8 | Other disorders of autonomic nervous system | |||||||
G90.9 | Disorder of autonomic nervous system, unspecified |
G91 | Hydrocephalus | |||||||
Includes: | acquired hydrocephalus
|
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Excludes: | hydrocephalus:
· congenital · due to congenital toxoplasmosis |
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G91.0 | Communicating hydrocephalus | |||||||
G91.1 | Obstructive hydrocephalus | |||||||
G91.2 | Normal-pressure hydrocephalus | |||||||
G91.3 | Post-traumatic hydrocephalus, unspecified | |||||||
G91.8 | Other hydrocephalus | |||||||
G91.9 | Hydrocephalus, unspecified |
G92 | Toxic encephalopathy | |||||||
Use additional external cause code (Chapter XX), if desired, to identify toxic agent. |
G93 | Other disorders of brain | |||||||
G93.0 | Cerebral cysts | |||||||
Arachnoid cyst
Porencephalic cyst, acquired |
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Excludes: | acquired periventricular cysts of newborn
congenital cerebral cysts |
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G93.1 | Anoxic brain damage, not elsewhere classified | |||||||
Excludes: | complicating:
· abortion or ectopic or molar pregnancy · pregnancy, labour or delivery · surgical and medical care neonatal anoxia |
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G93.2 | Benign intracranial hypertension | |||||||
Excludes: | hypertensive encephalopathy
|
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G93.3 | Postviral fatigue syndrome | |||||||
Benign myalgic encephalomyelitis
|
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G93.4 | Encephalopathy, unspecified | |||||||
Excludes: | encephalopathy:
· alcoholic · toxic |
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G93.5 | Compression of brain | |||||||
Compression
Herniation |
}
} |
of brain (stem)
|
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Excludes: | traumatic compression of brain (diffuse)
· focal |
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G93.6 | Cerebral oedema | |||||||
Excludes: | cerebral oedema:
· due to birth injury · traumatic |
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G93.7 | Reye's syndrome | |||||||
Use additional external cause code (Chapter XX), if desired, to identify cause. | ||||||||
G93.8 | Other specified disorders of brain | |||||||
Postradiation encephalopathy
|
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Use additional external cause code (Chapter XX), if desired, to identify cause. | ||||||||
G93.9 | Disorder of brain, unspecified |
G94* | Other disorders of brain in diseases classified elsewhere | |||||||
G94.0* |
Hydrocephalus in infectious and parasitic diseases classified elsewhere
|
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G94.1* |
Hydrocephalus in neoplastic disease
|
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G94.2* | Hydrocephalus in other diseases classified elsewhere | |||||||
G94.8* | Other specified disorders of brain in diseases classified elsewhere |
G95 | Other diseases of spinal cord | |||||||
Excludes: | myelitis
|
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G95.0 | Syringomyelia and syringobulbia | |||||||
G95.1 | Vascular myelopathies | |||||||
Acute infarction of spinal cord (embolic)(nonembolic)
Arterial thrombosis of spinal cord Haematomyelia Nonpyogenic intraspinal phlebitis and thrombophlebitis Oedema of spinal cord Subacute necrotic myelopathy |
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Excludes: | intraspinal phlebitis and thrombophlebitis, except non-pyogenic
|
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G95.2 | Cord compression, unspecified | |||||||
G95.8 | Other specified diseases of spinal cord | |||||||
Cord bladder NOS
Myelopathy: · drug-induced · radiation-induced |
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Use additional external cause code (Chapter XX), if desired, to identify external agent. | ||||||||
Excludes: | neurogenic bladder:
· NOS · due to cauda equina syndrome neuromuscular dysfunction of bladder without mention of spinal cord lesion |
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G95.9 | Disease of spinal cord, unspecified | |||||||
Myelopathy NOS
|
G96 | Other disorders of central nervous system | |||||||
G96.0 | Cerebrospinal fluid leak | |||||||
Excludes: | from spinal puncture
|
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G96.1 | Disorders of meninges, not elsewhere classified | |||||||
Meningeal adhesions (cerebral)(spinal)
|
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G96.8 | Other specified disorders of central nervous system | |||||||
G96.9 | Disorder of central nervous system, unspecified |
G98 | Other disorders of nervous system, not elsewhere classified | |||||||
Nervous system disorder NOS
|
G99* | Other disorders of nervous system in diseases classified elsewhere | |||||||
G99.0* | Autonomic neuropathy in endocrine and metabolic diseases | |||||||
Amyloid autonomic neuropathy
Diabetic autonomic neuropathy |
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G99.1* | Other disorders of autonomic nervous system in other diseases classified elsewhere | |||||||
G99.2* | Myelopathy in diseases classified elsewhere | |||||||
Anterior spinal and vertebral artery compression syndromes
Myelopathy in: · intervertebral disc disorders · neoplastic disease · spondylosis |
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G99.8* | Other specified disorders of nervous system in diseases classified elsewhere |