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Diseases of the nervous system (G00-G99)

Excludes 2:: certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Diseases of myoneural junction and muscle (G70-G73)

G70

Myasthenia gravis and other myoneural disorders [+]

Excludes 1:

botulism (A05.1, A48.51-A48.52)
transient neonatal myasthenia gravis (P94.0)

G71

Primary disorders of muscles [+]

Excludes 2:

arthrogryposis multiplex congenita (Q74.3)
metabolic disorders (E70-E88)
myositis (M60.-)

G71.0

Muscular dystrophy [+]

G71.00

Muscular dystrophy, unspecified

G71.01

Duchenne or Becker muscular dystrophy
Autosomal recessive, childhood type, muscular dystrophy resembling Duchenne or Becker muscular dystrophy
Benign [Becker] muscular dystrophy
Severe [Duchenne] muscular dystrophy

G71.02

Facioscapulohumeral muscular dystrophy
Scapulohumeral muscular dystrophy

G71.03

Limb girdle muscular dystrophies [+]

G71.031

Autosomal dominant limb girdle muscular dystrophy
LGMD D4 calpain-3-related
LGMD D5 collagen 6-related
Limb girdle muscular dystrophy type 1

G71.032

Autosomal recessive limb girdle muscular dystrophy due to calpain-3 dysfunction
Limb girdle muscular dystrophy type 2A
LGMD R1 calpain-3-related
Primary calpainopathy

G71.033

Limb girdle muscular dystrophy due to dysferlin dysfunction
Dysferlinopathy
LGMD R2 dysferlin-related
Limb girdle muscular dystrophy type 2B
Miyoshi Myopathy type 1

G71.034

Limb girdle muscular dystrophy due to sarcoglycan dysfunction

G71.035

Limb girdle muscular dystrophy due to anoctamin-5 dysfunction
Anoctamin-5-related LGMD R12
Anoctaminopathy
Autosomal recessive limb girdle muscular dystrophy type 2L
Miyoshi myopathy type 3

G71.038

Other limb girdle muscular dystrophy
LGMD R9 FKRP-related
LGMD R22 collagen 6-related
Limb girdle muscular dystrophy due to fukutin related protein dysfunction
Limb girdle muscular dystrophy type 2I
Other autosomal recessive limb girdle muscular dystrophy

G71.039

Limb girdle muscular dystrophy, unspecified

G71.09

Other specified muscular dystrophies
Benign scapuloperoneal muscular dystrophy with early contractures [Emery-Dreifuss]
Congenital muscular dystrophy NOS
Congenital muscular dystrophy with specific morphological abnormalities of the muscle fiber
Distal muscular dystrophy
Ocular muscular dystrophy
Oculopharyngeal muscular dystrophy
Scapuloperoneal muscular dystrophy

G71.1

Myotonic disorders [+]

G71.2

Congenital myopathies [+]

Excludes 2:

arthrogryposis multiplex congenita (Q74.3)

G71.3

Mitochondrial myopathy, not elsewhere classified

Excludes 1:

Kearns-Sayre syndrome (H49.81)
Leber's disease (H47.21)
Leigh's encephalopathy (G31.82)
mitochondrial metabolism disorders (E88.4.-)
Reye's syndrome (G93.7)

G71.8

Other primary disorders of muscles

G71.9

Primary disorder of muscle, unspecified
Hereditary myopathy NOS

G72

Other and unspecified myopathies [+]

Excludes 1:

arthrogryposis multiplex congenita (Q74.3)
dermatopolymyositis (M33.-)
ischemic infarction of muscle (M62.2-)
myositis (M60.-)
polymyositis (M33.2.-)

G72.0

Drug-induced myopathy

Use additional

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

G72.1

Alcoholic myopathy

Use additional

code to identify alcoholism (F10.-)

G72.2

Myopathy due to other toxic agents

Code first

(T51-T65) to identify toxic agent

G72.3

Periodic paralysis
Familial periodic paralysis
Hyperkalemic periodic paralysis (familial)
Hypokalemic periodic paralysis (familial)
Myotonic periodic paralysis (familial)
Normokalemic paralysis (familial)
Potassium sensitive periodic paralysis

Excludes 1:

paramyotonia congenita (of von Eulenburg) (G71.19)

G72.4

Inflammatory and immune myopathies, not elsewhere classified [+]

G72.8

Other specified myopathies [+]

G72.9

Myopathy, unspecified

G73

Disorders of myoneural junction and muscle in diseases classified elsewhere [+]