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Ch. 6: Diseases of the nervous system (G00-G99)
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Diseases of myoneural junction and muscle (G70-G73)
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G71 Primary disorders of muscles
› G71.1
G71.1
Myotonic disorders
ICD-10-CM category (non-billable header) code — part of Diseases of myoneural junction and muscle (G70-G73)
Code Details
Billable
No — use a more specific child code
Chapter
Chapter 6: Diseases of the nervous system (G00-G99)
Section
Diseases of myoneural junction and muscle (G70-G73)
Parent code
G71 — Primary disorders of muscles
Subcategories (5)
G71.11
Myotonic muscular dystrophy
G71.12
Myotonia congenita
G71.13
Myotonic chondrodystrophy
G71.14
Drug induced myotonia
G71.19
Other specified myotonic disorders
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