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Taxonomy Codes
Diseases of the nervous system
Other disorders of the nervous system (G89-G99)
Pain, not elsewhere classified (G89)
G89
- Pain, not elsewhere classified
G89.0
- Central pain syndrome
G89.1
- Acute pain, not elsewhere classified
G89.11
- Acute pain due to trauma
G89.12
- Acute post-thoracotomy pain
G89.18
- Other acute postprocedural pain
G89.2
- Chronic pain, not elsewhere classified
G89.21
- Chronic pain due to trauma
G89.22
- Chronic post-thoracotomy pain
G89.28
- Other chronic postprocedural pain
G89.29
- Other chronic pain
G89.3
- Neoplasm related pain (acute) (chronic)
G89.4
- Chronic pain syndrome
Disorders of autonomic nervous system (G90)
G90
- Disorders of autonomic nervous system
G90.0
- Idiopathic peripheral autonomic neuropathy
G90.01
- Carotid sinus syncope
G90.09
- Other idiopathic peripheral autonomic neuropathy
G90.1
- Familial dysautonomia [Riley-Day]
G90.2
- Horner's syndrome
G90.3
- Multi-system degeneration of the autonomic nervous system
G90.4
- Autonomic dysreflexia
G90.5
- Complex regional pain syndrome I (CRPS I)
G90.50
- Complex regional pain syndrome I, unspecified
G90.51
- Complex regional pain syndrome I of upper limb
G90.511
- Complex regional pain syndrome I of right upper limb
G90.512
- Complex regional pain syndrome I of left upper limb
G90.513
- Complex regional pain syndrome I of upper limb, bilateral
G90.519
- Complex regional pain syndrome I of unspecified upper limb
G90.52
- Complex regional pain syndrome I of lower limb
G90.521
- Complex regional pain syndrome I of right lower limb
G90.522
- Complex regional pain syndrome I of left lower limb
G90.523
- Complex regional pain syndrome I of lower limb, bilateral
G90.529
- Complex regional pain syndrome I of unspecified lower limb
G90.59
- Complex regional pain syndrome I of other specified site
G90.8
- Other disorders of autonomic nervous system
G90.9
- Disorder of the autonomic nervous system, unspecified
G90.A
- Postural orthostatic tachycardia syndrome [POTS]
G90.B
- LMNB1-related autosomal dominant leukodystrophy
Hydrocephalus (G91)
G91
- Hydrocephalus
G91.0
- Communicating hydrocephalus
G91.1
- Obstructive hydrocephalus
G91.2
- (Idiopathic) normal pressure hydrocephalus
G91.3
- Post-traumatic hydrocephalus, unspecified
G91.4
- Hydrocephalus in diseases classified elsewhere
G91.8
- Other hydrocephalus
G91.9
- Hydrocephalus, unspecified
Toxic encephalopathy (G92)
G92
- Toxic encephalopathy
G92.0
- Immune effector cell-associated neurotoxicity syndrome
G92.00
- Immune effor cell-associated neurotoxicity synd, grade unsp
G92.01
- Immune effector cell-associated neurotoxicity synd, grade 1
G92.02
- Immune effector cell-associated neurotoxicity synd, grade 2
G92.03
- Immune effector cell-associated neurotoxicity synd, grade 3
G92.04
- Immune effector cell-associated neurotoxicity synd, grade 4
G92.05
- Immune effector cell-associated neurotoxicity synd, grade 5
G92.8
- Other toxic encephalopathy
G92.9
- Unspecified toxic encephalopathy
Other disorders of brain (G93)
G93
- Other disorders of brain
G93.0
- Cerebral cysts
G93.1
- Anoxic brain damage, not elsewhere classified
G93.2
- Benign intracranial hypertension
G93.3
- Postviral and related fatigue syndromes
G93.31
- Postviral fatigue syndrome
G93.32
- Myalgic encephalomyelitis/chronic fatigue syndrome
G93.39
- Other post infection and related fatigue syndromes
G93.4
- Other and unspecified encephalopathy
G93.40
- Encephalopathy, unspecified
G93.41
- Metabolic encephalopathy
G93.42
- Megaloencephalic leukoencephalopathy with subcortical cysts
G93.43
- Leukoencephalopathy with calcifications and cysts
G93.44
- Adult-onset leukodystrophy with axonal spheroids
G93.49
- Other encephalopathy
G93.5
- Compression of brain
G93.6
- Cerebral edema
G93.7
- Reye's syndrome
G93.8
- Other specified disorders of brain
G93.81
- Temporal sclerosis
G93.82
- Brain death
G93.89
- Other specified disorders of brain
G93.9
- Disorder of brain, unspecified
Other disorders of brain in diseases classified elsewhere (G94)
G94
- Other disorders of brain in diseases classified elsewhere
Other and unspecified diseases of spinal cord (G95)
G95
- Other and unspecified diseases of spinal cord
G95.0
- Syringomyelia and syringobulbia
G95.1
- Vascular myelopathies
G95.11
- Acute infarction of spinal cord (embolic) (nonembolic)
G95.19
- Other vascular myelopathies
G95.2
- Other and unspecified cord compression
G95.20
- Unspecified cord compression
G95.29
- Other cord compression
G95.8
- Other specified diseases of spinal cord
G95.81
- Conus medullaris syndrome
G95.89
- Other specified diseases of spinal cord
G95.9
- Disease of spinal cord, unspecified
Other disorders of central nervous system (G96)
G96
- Other disorders of central nervous system
G96.0
- Cerebrospinal fluid leak
G96.00
- Cerebrospinal fluid leak, unspecified
G96.01
- Cranial cerebrospinal fluid leak, spontaneous
G96.02
- Spinal cerebrospinal fluid leak, spontaneous
G96.08
- Other cranial cerebrospinal fluid leak
G96.09
- Other spinal cerebrospinal fluid leak
G96.1
- Disorders of meninges, not elsewhere classified
G96.11
- Dural tear
G96.12
- Meningeal adhesions (cerebral) (spinal)
G96.19
- Other disorders of meninges, not elsewhere classified
G96.191
- Perineural cyst
G96.198
- Other disorders of meninges, not elsewhere classified
G96.8
- Other specified disorders of central nervous system
G96.81
- Intracranial hypotension
G96.810
- Intracranial hypotension, unspecified
G96.811
- Intracranial hypotension, spontaneous
G96.819
- Other intracranial hypotension
G96.89
- Other specified disorders of central nervous system
G96.9
- Disorder of central nervous system, unspecified
Intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classified (G97)
G97
- Intraop and postproc comp and disorders of nervous sys, NEC
G97.0
- Cerebrospinal fluid leak from spinal puncture
G97.1
- Other reaction to spinal and lumbar puncture
G97.2
- Intracranial hypotension following ventricular shunting
G97.3
- Intraop hemor/hemtom of a nervous sys org comp a procedure
G97.31
- Intraop hemor/hemtom of a nervous sys org comp nrv sys proc
G97.32
- Intraop hemor/hemtom of a nervous sys org comp oth procedure
G97.4
- Accidental pnctr & lac of a nervous system org dur proc
G97.41
- Accidental puncture or laceration of dura during a procedure
G97.48
- Acc pnctr & lac of nervous sys org during a nervous sys proc
G97.49
- Acc pnctr & lac of nervous sys org during oth procedure
G97.5
- Postproc hemor of a nervous sys org following a procedure
G97.51
- Postproc hemor of a nervous sys org fol a nervous sys proc
G97.52
- Postproc hemor of a nervous sys org fol other procedure
G97.6
- Postproc hematoma and seroma of a nervous sys org fol a proc
G97.61
- Postp hematoma of a nervous sys org fol a nervous sys proc
G97.62
- Postproc hematoma of a nervous sys org fol other procedure
G97.63
- Postproc seroma of a nervous sys org fol a nervous sys proc
G97.64
- Postproc seroma of a nervous sys org fol other procedure
G97.8
- Oth intraop and postproc comp and disorders of nervous sys
G97.81
- Other intraoperative complications of nervous system
G97.82
- Oth postproc complications and disorders of nervous sys
G97.83
- Intracranial hypotension following lumbar CSF shunting
G97.84
- Intracranial hypotension following other procedure
Other disorders of nervous system not elsewhere classified (G98)
G98
- Other disorders of nervous system not elsewhere classified
G98.0
- Neurogenic arthritis, not elsewhere classified
G98.8
- Other disorders of nervous system
Other disorders of nervous system in diseases classified elsewhere (G99)
G99
- Oth disorders of nervous system in diseases classd elswhr
G99.0
- Autonomic neuropathy in diseases classified elsewhere
G99.2
- Myelopathy in diseases classified elsewhere
G99.8
- Oth disrd of nervous system in diseases classified elsewhere