G00–G99
Diseases of the Nervous System
Parkinson's, epilepsy, migraine, neuropathy
G62.9
Polyneuropathy, unspecified
Billable
G63
Polyneuropathy in diseases classified elsewhere
Billable
G64
Other disorders of peripheral nervous system
Billable
G65
Sequelae of inflammatory and toxic polyneuropathies
Non-billable
G65.0
Sequelae of Guillain-Barre syndrome
Billable
G65.1
Sequelae of other inflammatory polyneuropathy
Billable
G65.2
Sequelae of toxic polyneuropathy
Billable
G70
Myasthenia gravis and other myoneural disorders
Non-billable
G70.0
Myasthenia gravis
Non-billable
G70.00
Myasthenia gravis without (acute) exacerbation
Billable
G70.01
Myasthenia gravis with (acute) exacerbation
Billable
G70.1
Toxic myoneural disorders
Billable
G70.2
Congenital and developmental myasthenia
Billable
G70.8
Other specified myoneural disorders
Non-billable
G70.80
Lambert-Eaton syndrome, unspecified
Billable
G70.81
Lambert-Eaton syndrome in disease classified elsewhere
Billable
G70.89
Other specified myoneural disorders
Billable
G70.9
Myoneural disorder, unspecified
Billable
G71
Primary disorders of muscles
Non-billable
G71.0
Muscular dystrophy
Non-billable
G71.00
Muscular dystrophy, unspecified
Billable
G71.01
Duchenne or Becker muscular dystrophy
Billable
G71.02
Facioscapulohumeral muscular dystrophy
Billable
G71.03
Limb girdle muscular dystrophies
Non-billable
G71.031
Autosomal dominant limb girdle muscular dystrophy
Billable
G71.032
Autosomal recessive limb girdle muscular dystrophy due to calpain-3 dysfunction
Billable
G71.033
Limb girdle muscular dystrophy due to dysferlin dysfunction
Billable
G71.034
Limb girdle muscular dystrophy due to sarcoglycan dysfunction
Non-billable
G71.0340
Limb girdle muscular dystrophy due to sarcoglycan dysfunction, unspecified
Billable
G71.0341
Limb girdle muscular dystrophy due to alpha sarcoglycan dysfunction
Billable
G71.0342
Limb girdle muscular dystrophy due to beta sarcoglycan dysfunction
Billable
G71.0349
Limb girdle muscular dystrophy due to other sarcoglycan dysfunction
Billable
G71.035
Limb girdle muscular dystrophy due to anoctamin-5 dysfunction
Billable
G71.036
Limb girdle muscular dystrophy due to fukutin related protein dysfunction
Billable
G71.038
Other limb girdle muscular dystrophy
Billable
G71.039
Limb girdle muscular dystrophy, unspecified
Billable
G71.09
Other specified muscular dystrophies
Billable
G71.1
Myotonic disorders
Non-billable
G71.11
Myotonic muscular dystrophy
Billable
G71.12
Myotonia congenita
Billable
G71.13
Myotonic chondrodystrophy
Billable
G71.14
Drug induced myotonia
Billable
G71.19
Other specified myotonic disorders
Billable
G71.2
Congenital myopathies
Non-billable
G71.20
Congenital myopathy, unspecified
Billable
G71.21
Nemaline myopathy
Billable
G71.22
Centronuclear myopathy
Non-billable
G71.220
X-linked myotubular myopathy
Billable
G71.228
Other centronuclear myopathy
Billable
G71.29
Other congenital myopathy
Billable
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