|  E79 |  | Disorders of purine and pyrimidine metabolism   | 
	
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		|  E79.0 |  | Hyperuricemia without signs of inflammatory arthritis and tophaceous disease |  
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| Asymptomatic hyperuricemia |  |  | 
|  |  | 
	
		|  E79.1 |  | Lesch-Nyhan syndrome |  
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		|  E79.2 |  | Myoadenylate deaminase deficiency |  | 
|  |  | 
	
		|  E79.8 |  | Other disorders of purine and pyrimidine metabolism |  |  |  | 
	
		|  E79.81 |  | Aicardi-Goutières syndrome |  |  |  |  | 
	
		|  E79.82 |  | Hereditary xanthinuria |  |  |  |  | 
	
		|  E79.89 |  | Other specified disorders of purine and pyrimidine metabolism |  |  | 
|  |  | 
	
		|  E79.9 |  | Disorder of purine and pyrimidine metabolism, unspecified |  |