|  E31 |  | Polyglandular dysfunction   | 
	
		|  |  | 
	
		| Excludes1 | ataxia telangiectasia [Louis-Bar] (G11.3) dystrophia myotonica [Steinert] (G71.11)
 pseudohypoparathyroidism (E20.1)
 
 |  | 
|  |  | 
	
		|  E31.0 |  | Autoimmune polyglandular failure |  
		|  |  |  |  | 
|  |  | 
	
		|  E31.1 |  | Polyglandular hyperfunction |  
		|  |  | 
	
		| Excludes1 | multiple endocrine adenomatosis (E31.2-) multiple endocrine neoplasia (E31.2-)
 
 |  |  | 
|  |  | 
	
		|  E31.2 |  | Multiple endocrine neoplasia [MEN] syndromes |  
		|  |  | 
| Multiple endocrine adenomatosis |  
		| CodeAlso | any associated malignancies and other conditions associated with the syndromes 
 |  |  |  |  | 
	
		|  E31.20 |  | Multiple endocrine neoplasia [MEN] syndrome, unspecified |  
		|  |  | 
| Multiple endocrine adenomatosis NOS |  | Multiple endocrine neoplasia [MEN] syndrome NOS |  |  |  |  |  | 
	
		|  E31.21 |  | Multiple endocrine neoplasia [MEN] type I |  
		|  |  |  |  |  |  |  | 
	
		|  E31.22 |  | Multiple endocrine neoplasia [MEN] type IIA |  
		|  |  |  |  |  |  |  | 
	
		|  E31.23 |  | Multiple endocrine neoplasia [MEN] type IIB |  |  | 
|  |  | 
	
		|  E31.8 |  | Other polyglandular dysfunction |  | 
|  |  | 
	
		|  E31.9 |  | Polyglandular dysfunction, unspecified |  |