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Chapter 6: Diseases of the nervous system
G70-G73

Diseases of myoneural junction and muscle

Explore the ICD-10 code range G70-G73 for diseases of the myoneural junction and muscle, crucial for precise clinical documentation and coding. Enhance your understanding of conditions like myasthenia gravis and muscular dystrophy, ensuring accurate diagnosis and treatment plans. Optimize your medical records with detailed insights into these neuromuscular disorders, improving patient care and reimbursement processes.

About This Range
61+
Total codes
47+
Billable codes
14+
Non-billable codes
6
Chapters
Codes in this Range (61+)
Chapter 6: Diseases of the nervous system Range: G00-G99
G70
Myasthenia gravis and other myoneural disorders
G70.0
Myasthenia gravis
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
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
G71.0
Muscular dystrophy
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
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
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
G71.038
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
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
G71.20
Congenital myopathy, unspecified
Billable
G71.21
Nemaline myopathy
Billable
G71.22
Centronuclear myopathy
G71.220
X-linked myotubular myopathy
Billable
G71.228
Other centronuclear myopathy
Billable
G71.29
Other congenital myopathy
Billable
G71.3
Mitochondrial myopathy, not elsewhere classified
Billable
G71.8
Other primary disorders of muscles
Billable
G71.9
Primary disorder of muscle, unspecified
Billable
G72
Other and unspecified myopathies
G72.0
Drug-induced myopathy
Billable
G72.1
Alcoholic myopathy
Billable
G72.2
Myopathy due to other toxic agents
Billable
G72.3
Periodic paralysis
Billable
G72.4
Inflammatory and immune myopathies, not elsewhere classified
G72.41
Inclusion body myositis [IBM]
Billable
G72.49
Other inflammatory and immune myopathies, not elsewhere classified
Billable
G72.8
Other specified myopathies
G72.81
Critical illness myopathy
Billable
G72.89
Other specified myopathies
Billable
G72.9
Myopathy, unspecified
Billable
G73
Disorders of myoneural junction and muscle in diseases classified elsewhere
G73.1
Lambert-Eaton syndrome in neoplastic disease
Billable
G73.3
Myasthenic syndromes in other diseases classified elsewhere
Billable
G73.7
Myopathy in diseases classified elsewhere
Billable

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Frequently Asked Questions
What are the common symptoms of myasthenia gravis?

Myasthenia gravis, categorized under ICD-10 code G70, commonly presents with symptoms such as muscle weakness, drooping eyelids, double vision, and difficulty swallowing. These symptoms often worsen with activity and improve with rest.

How is Lambert-Eaton myasthenic syndrome diagnosed?

Lambert-Eaton myasthenic syndrome, classified under ICD-10 code G73, is diagnosed through clinical evaluation, electromyography (EMG), and blood tests to detect antibodies against voltage-gated calcium channels. These tests help confirm the presence of this neuromuscular disorder.

What treatment options are available for polymyositis?

Polymyositis, listed under ICD-10 code G73, is treated with corticosteroids, immunosuppressive drugs, and physical therapy to manage inflammation and improve muscle strength. Early diagnosis and treatment are crucial for better outcomes.

Diseases of myoneural junction and muscle