|  A69 |  | Other spirochetal infections   | 
|  |  | 
	
		|  A69.0 |  | Necrotizing ulcerative stomatitis |  
		|  |  | 
| Cancrum oris |  | Fusospirochetal gangrene |  | Noma |  | Stomatitis gangrenosa |  |  | 
|  |  | 
	
		|  A69.1 |  | Other Vincent's infections |  
		|  |  | 
| Fusospirochetal pharyngitis |  | Necrotizing ulcerative (acute) gingivitis |  | Necrotizing ulcerative (acute) gingivostomatitis |  | Spirochetal stomatitis |  | Trench mouth |  | Vincent's angina |  | Vincent's gingivitis |  |  | 
|  |  | 
	
		|  A69.2 |  | Lyme disease |  
		|  |  | 
| Erythema chronicum migrans due to Borrelia burgdorferi |  |  |  |  | 
	
		|  A69.20 |  | Lyme disease, unspecified |  |  |  |  | 
	
		|  A69.21 |  | Meningitis due to Lyme disease |  |  |  |  | 
	
		|  A69.22 |  | Other neurologic disorders in Lyme disease |  
		|  |  | 
| Cranial neuritis |  | Meningoencephalitis |  | Polyneuropathy |  |  |  |  |  | 
	
		|  A69.23 |  | Arthritis due to Lyme disease |  |  |  |  | 
	
		|  A69.29 |  | Other conditions associated with Lyme disease |  
		|  |  | 
| Myopericarditis due to Lyme disease |  |  |  | 
|  |  | 
	
		|  A69.8 |  | Other specified spirochetal infections |  | 
|  |  | 
	
		|  A69.9 |  | Spirochetal infection, unspecified |  |