|  B27 |  | Infectious mononucleosis   | 
	
		|  |  | 
	
		| Includes | glandular fever monocytic angina
 Pfeiffer's disease
 
 |  | 
|  |  | 
	
		|  B27.0 |  | Gammaherpesviral mononucleosis |  
		|  |  | 
| Mononucleosis due to Epstein-Barr virus |  |  |  |  | 
	
		|  B27.00 |  | Gammaherpesviral mononucleosis without complication |  |  |  |  | 
	
		|  B27.01 |  | Gammaherpesviral mononucleosis with polyneuropathy |  |  |  |  | 
	
		|  B27.02 |  | Gammaherpesviral mononucleosis with meningitis |  |  |  |  | 
	
		|  B27.09 |  | Gammaherpesviral mononucleosis with other complications |  
		|  |  | 
| Hepatomegaly in gammaherpesviral mononucleosis |  |  |  | 
|  |  | 
	
		|  B27.1 |  | Cytomegaloviral mononucleosis |  |  |  | 
	
		|  B27.10 |  | Cytomegaloviral mononucleosis without complications |  |  |  |  | 
	
		|  B27.11 |  | Cytomegaloviral mononucleosis with polyneuropathy |  |  |  |  | 
	
		|  B27.12 |  | Cytomegaloviral mononucleosis with meningitis |  |  |  |  | 
	
		|  B27.19 |  | Cytomegaloviral mononucleosis with other complication |  
		|  |  | 
| Hepatomegaly in cytomegaloviral mononucleosis |  |  |  | 
|  |  | 
	
		|  B27.8 |  | Other infectious mononucleosis |  |  |  | 
	
		|  B27.80 |  | Other infectious mononucleosis without complication |  |  |  |  | 
	
		|  B27.81 |  | Other infectious mononucleosis with polyneuropathy |  |  |  |  | 
	
		|  B27.82 |  | Other infectious mononucleosis with meningitis |  |  |  |  | 
	
		|  B27.89 |  | Other infectious mononucleosis with other complication |  
		|  |  | 
| Hepatomegaly in other infectious mononucleosis |  |  |  | 
|  |  | 
	
		|  B27.9 |  | Infectious mononucleosis, unspecified |  |  |  | 
	
		|  B27.90 |  | Infectious mononucleosis, unspecified without complication |  |  |  |  | 
	
		|  B27.91 |  | Infectious mononucleosis, unspecified with polyneuropathy |  |  |  |  | 
	
		|  B27.92 |  | Infectious mononucleosis, unspecified with meningitis |  |  |  |  | 
	
		|  B27.99 |  | Infectious mononucleosis, unspecified with other complication |  
		|  |  | 
| Hepatomegaly in unspecified infectious mononucleosis |  |  |  |