G71 | 
		  | 
		Primary disorders of muscles   | 
	
	
		 |  | 
		
	
		| Excludes2 | 
		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 | 
	 
 |  | 
	
		 G71.0340 | 
		  | 
		Limb girdle muscular dystrophy due to sarcoglycan dysfunction, unspecified | 
	 
	
		 |  | 
		
 | 
	   |   |  | 
	
		 G71.0341 | 
		  | 
		Limb girdle muscular dystrophy due to alpha sarcoglycan dysfunction | 
	 
	
		 |  | 
		
| Alpha sarcoglycanopathy |  | Limb-girdle muscular dystrophy due to alpha-sarcoglycan deficiency |  | Limb girdle muscular dystrophy type 2D |   
 | 
	   |   |  | 
	
		 G71.0342 | 
		  | 
		Limb girdle muscular dystrophy due to beta sarcoglycan dysfunction | 
	 
	
		 |  | 
		
| Beta sarcoglycanopathy |  | Limb girdle muscular dystrophy due to beta-sarcoglycan deficiency |  | Limb girdle muscular dystrophy type 2E |   
 | 
	   |   |  | 
	
		 G71.0349 | 
		  | 
		Limb girdle muscular dystrophy due to other sarcoglycan dysfunction | 
	 
	
		 |  | 
		
| Delta sarcoglycanopathy |  | Delta-sarcoglycan-related LGMD R6 |  | Gamma sarcoglycanopathy |  | Gamma-sarcoglycan-related LGMD R5 |  | Limb girdle muscular dystrophy type 2C |  | Limb girdle muscular dystrophy type 2F |   
 | 
	   |    |   |  | 
	
		 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 |   
 | 
	   |   |  | 
	
		 G71.036 | 
		  | 
		Limb girdle muscular dystrophy due to fukutin related protein dysfunction | 
	 
	
		 |  | 
		
| LGMD R9 FKRP-related |  | Limb girdle muscular dystrophy due to FKRP deficiency |  | Limb girdle muscular dystrophy type 2I |   
 | 
	   |   |  | 
	
		 G71.038 | 
		  | 
		Other limb girdle muscular dystrophy | 
	 
	
		 |  | 
		
| LGMD R22 collagen 6-related |  | 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 | 
	 
 |  | 
	
		 G71.11 | 
		  | 
		Myotonic muscular dystrophy | 
	 
	
		 |  | 
		
| Dystrophia myotonica [Steinert] |  | Myotonia atrophica |  | Myotonic dystrophy |  | Proximal myotonic myopathy (PROMM) |  | Steinert disease |   
 | 
	   |   |  | 
	
		 G71.12 | 
		  | 
		Myotonia congenita | 
	 
	
		 |  | 
		
| Acetazolamide responsive myotonia congenita |  | Dominant myotonia congenita [Thomsen disease] |  | Myotonia levior |  | Recessive myotonia congenita [Becker disease] |   
 | 
	   |   |  | 
	
		 G71.13 | 
		  | 
		Myotonic chondrodystrophy | 
	 
	
		 |  | 
		
| Chondrodystrophic myotonia |  | Congenital myotonic chondrodystrophy |  | Schwartz-Jampel disease |   
 | 
	   |   |  | 
	
		 G71.14 | 
		  | 
		Drug induced myotonia | 
	 
	
		 |  | 
		
	
		| UseAdditionalCode | 
		code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  | 
	 
 
 | 
	   |   |  | 
	
		 G71.19 | 
		  | 
		Other specified myotonic disorders | 
	 
	
		 |  | 
		
| Myotonia fluctuans |  | Myotonia permanens |  | Neuromyotonia [Isaacs] |  | Paramyotonia congenita (of von Eulenburg) |  | Pseudomyotonia |  | Symptomatic myotonia |   
 | 
	   |    | 
 |  | 
	
		 G71.2 | 
		  | 
		Congenital myopathies | 
	 
	
		 |  | 
		
	
		| Excludes2 | 
		arthrogryposis multiplex congenita (Q74.3)
  | 
	 
 
 | 
	  |  | 
	
		 G71.20 | 
		 | 
		Congenital myopathy, unspecified | 
	 
  |   |  | 
	
		 G71.21 | 
		 | 
		Nemaline myopathy | 
	 
  |   |  | 
	
		 G71.22 | 
		 | 
		Centronuclear myopathy | 
	 
 |  | 
	
		 G71.220 | 
		  | 
		X-linked myotubular myopathy | 
	 
	
		 |  | 
		
| Myotubular (centronuclear) myopathy |   
 | 
	   |   |  | 
	
		 G71.228 | 
		  | 
		Other centronuclear myopathy | 
	 
	
		 |  | 
		
| Autosomal centronuclear myopathy |  | Autosomal dominant centronuclear myopathy |  | Autosomal recessive centronuclear myopathy |  | Centronuclear myopathy, NOS |   
 | 
	   |    |   |  | 
	
		 G71.29 | 
		  | 
		Other congenital myopathy | 
	 
	
		 |  | 
		
| Central core disease |  | Minicore disease |  | Multicore disease |  | Multiminicore disease |   
 | 
	   |    | 
 |  | 
	
		 G71.3 | 
		  | 
		Mitochondrial myopathy, not elsewhere classified | 
	 
	
		 |  | 
		
	
		| Excludes1 | 
		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 | 
	 
	
		 |  | 
		
 | 
	   |