E72 | 
		  | 
		Other disorders of amino-acid metabolism   | 
	
	
		 |  | 
		
	
		| Excludes1 | 
		disorders of: aromatic amino-acid metabolism (E70.-) branched-chain amino-acid metabolism (E71.0-E71.2) fatty-acid metabolism (E71.3) purine and pyrimidine metabolism (E79.-) gout (M1A.-, M10.-)
  | 
	 
 
 | 
	
 |  | 
	
		 E72.0 | 
		  | 
		Disorders of amino-acid transport | 
	 
	
		 |  | 
		
	
		| Excludes1 | 
		disorders of tryptophan metabolism (E70.5)
  | 
	 
 
 | 
	  |  | 
	
		 E72.00 | 
		 | 
		Disorders of amino-acid transport, unspecified | 
	 
  |   |  | 
	
		 E72.01 | 
		 | 
		Cystinuria | 
	 
  |   |  | 
	
		 E72.02 | 
		 | 
		Hartnup's disease | 
	 
  |   |  | 
	
		 E72.03 | 
		  | 
		Lowe's syndrome | 
	 
	
		 |  | 
		
	
		| UseAdditionalCode | 
		code for associated glaucoma (H42)
  | 
	 
 
 | 
	   |   |  | 
	
		 E72.04 | 
		  | 
		Cystinosis | 
	 
	
		 |  | 
		
| Fanconi (-de Toni) (-Debré) syndrome with cystinosis |  	
		| Excludes1 | 
		Fanconi (-de Toni) (-Debré) syndrome without cystinosis (E72.09)
  | 
	 
 
 | 
	   |   |  | 
	
		 E72.09 | 
		  | 
		Other disorders of amino-acid transport | 
	 
	
		 |  | 
		
| Fanconi (-de Toni) (-Debré) syndrome, unspecified |   
 | 
	   |    | 
 |  | 
	
		 E72.1 | 
		  | 
		Disorders of sulfur-bearing amino-acid metabolism | 
	 
	
		 |  | 
		
 | 
	  |  | 
	
		 E72.10 | 
		 | 
		Disorders of sulfur-bearing amino-acid metabolism, unspecified | 
	 
  |   |  | 
	
		 E72.11 | 
		  | 
		Homocystinuria | 
	 
	
		 |  | 
		
| Cystathionine synthase deficiency |   
 | 
	   |   |  | 
	
		 E72.12 | 
		 | 
		Methylenetetrahydrofolate reductase deficiency | 
	 
  |   |  | 
	
		 E72.19 | 
		  | 
		Other disorders of sulfur-bearing amino-acid metabolism | 
	 
	
		 |  | 
		
| Cystathioninuria |  | Methioninemia |  | Sulfite oxidase deficiency |   
 | 
	   |    | 
 |  | 
	
		 E72.2 | 
		  | 
		Disorders of urea cycle metabolism | 
	 
	
		 |  | 
		
	
		| Excludes1 | 
		disorders of ornithine metabolism (E72.4)
  | 
	 
 
 | 
	  |  | 
	
		 E72.20 | 
		  | 
		Disorder of urea cycle metabolism, unspecified | 
	 
	
		 |  | 
		
| Hyperammonemia |  	
		| Excludes1 | 
		hyperammonemia-hyperornithinemia-homocitrullinemia syndrome E72.4 transient hyperammonemia of newborn (P74.6)
  | 
	 
 
 | 
	   |   |  | 
	
		 E72.21 | 
		 | 
		Argininemia | 
	 
  |   |  | 
	
		 E72.22 | 
		 | 
		Arginosuccinic aciduria | 
	 
  |   |  | 
	
		 E72.23 | 
		 | 
		Citrullinemia | 
	 
  |   |  | 
	
		 E72.29 | 
		 | 
		Other disorders of urea cycle metabolism | 
	 
  |    | 
 |  | 
	
		 E72.3 | 
		  | 
		Disorders of lysine and hydroxylysine metabolism | 
	 
	
		 |  | 
		
| Glutaric aciduria NOS |  | Glutaric aciduria (type I) |  | Hydroxylysinemia |  | Hyperlysinemia |  	
		| Excludes1 | 
		glutaric aciduria type II (E71.313) Refsum's disease (G60.1) Zellweger syndrome (E71.510)
  | 
	 
 
 | 
	   | 
 |  | 
	
		 E72.4 | 
		  | 
		Disorders of ornithine metabolism | 
	 
	
		 |  | 
		
| Hyperammonemia-Hyperornithinemia-Homocitrullinemia syndrome |  | Ornithinemia (types I, II) |  | Ornithine transcarbamylase deficiency |  	
		| Excludes1 | 
		hereditary choroidal dystrophy (H31.2-)
  | 
	 
 
 | 
	   | 
 |  | 
	
		 E72.5 | 
		 | 
		Disorders of glycine metabolism | 
	 
 |  | 
	
		 E72.50 | 
		 | 
		Disorder of glycine metabolism, unspecified | 
	 
  |   |  | 
	
		 E72.51 | 
		 | 
		Non-ketotic hyperglycinemia | 
	 
  |   |  | 
	
		 E72.52 | 
		 | 
		Trimethylaminuria | 
	 
  |   |  | 
	
		 E72.53 | 
		  | 
		Primary hyperoxaluria | 
	 
	
		 |  | 
		
| Oxalosis |  | Oxaluria |  	
		| Excludes1 | 
		secondary hyperoxaluria (E72.54-)
  | 
	 
 
 | 
	  |  | 
	
		 E72.530 | 
		 | 
		Primary hyperoxaluria, type 1 | 
	 
  |   |  | 
	
		 E72.538 | 
		  | 
		Other specified primary hyperoxaluria | 
	 
	
		 |  | 
		
| Primary hyperoxaluria, type 2 |  | Primary hyperoxaluria, type 3 |   
 | 
	   |   |  | 
	
		 E72.539 | 
		 | 
		Primary hyperoxaluria, unspecified | 
	 
  |    |   |  | 
	
		 E72.54 | 
		  | 
		Secondary hyperoxaluria | 
	 
	
		 |  | 
		
	
		| Excludes1 | 
		primary hyperoxaluria (E72.53-)
  | 
	 
 
 | 
	  |  | 
	
		 E72.540 | 
		 | 
		Dietary hyperoxaluria | 
	 
  |   |  | 
	
		 E72.541 | 
		 | 
		Enteric hyperoxaluria | 
	 
  |   |  | 
	
		 E72.548 | 
		 | 
		Other secondary hyperoxaluria | 
	 
  |   |  | 
	
		 E72.549 | 
		 | 
		Secondary hyperoxaluria, unspecified | 
	 
  |    |   |  | 
	
		 E72.59 | 
		  | 
		Other disorders of glycine metabolism | 
	 
	
		 |  | 
		
| D-glycericacidemia |  | Hyperhydroxyprolinemia |  | Hyperprolinemia (types I, II) |  | Sarcosinemia |   
 | 
	   |    | 
 |  | 
	
		 E72.8 | 
		 | 
		Other specified disorders of amino-acid metabolism | 
	 
 |  | 
	
		 E72.81 | 
		  | 
		Disorders of gamma aminobutyric acid metabolism | 
	 
	
		 |  | 
		
| 4-hydroxybutyric aciduria |  | Disorders of GABA metabolism |  | GABA metabolic defect |  | GABA transaminase deficiency |  | GABA-T deficiency |  | Gamma-hydroxybutyric aciduria |  | SSADHD |  | Succinic semialdehyde dehydrogenase deficiency |   
 | 
	   |   |  | 
	
		 E72.89 | 
		  | 
		Other specified disorders of amino-acid metabolism | 
	 
	
		 |  | 
		
| Disorders of beta-amino-acid metabolism |  | Disorders of gamma-glutamyl cycle |   
 | 
	   |    | 
 |  | 
	
		 E72.9 | 
		 | 
		Disorder of amino-acid metabolism, unspecified | 
	 
  |