|  N30 |  | Cystitis   | 
	
		|  |  | 
	
		| UseAdditionalCode | code to identify infectious agent (B95-B97) 
 |  
		| Excludes1 | prostatocystitis (N41.3) 
 |  | 
|  |  | 
	
		|  N30.0 |  | Acute cystitis |  
		|  |  |  |  |  |  | 
	
		|  N30.00 |  | Acute cystitis without hematuria |  |  |  |  | 
	
		|  N30.01 |  | Acute cystitis with hematuria |  |  | 
|  |  | 
	
		|  N30.1 |  | Interstitial cystitis (chronic) |  |  |  | 
	
		|  N30.10 |  | Interstitial cystitis (chronic) without hematuria |  |  |  |  | 
	
		|  N30.11 |  | Interstitial cystitis (chronic) with hematuria |  |  | 
|  |  | 
	
		|  N30.2 |  | Other chronic cystitis |  |  |  | 
	
		|  N30.20 |  | Other chronic cystitis without hematuria |  |  |  |  | 
	
		|  N30.21 |  | Other chronic cystitis with hematuria |  |  | 
|  |  | 
	
		|  N30.3 |  | Trigonitis |  
		|  |  |  |  |  |  | 
	
		|  N30.30 |  | Trigonitis without hematuria |  |  |  |  | 
	
		|  N30.31 |  | Trigonitis with hematuria |  |  | 
|  |  | 
	
		|  N30.4 |  | Irradiation cystitis |  |  |  | 
	
		|  N30.40 |  | Irradiation cystitis without hematuria |  |  |  |  | 
	
		|  N30.41 |  | Irradiation cystitis with hematuria |  |  | 
|  |  | 
	
		|  N30.8 |  | Other cystitis |  
		|  |  |  |  |  |  | 
	
		|  N30.80 |  | Other cystitis without hematuria |  |  |  |  | 
	
		|  N30.81 |  | Other cystitis with hematuria |  |  | 
|  |  | 
	
		|  N30.9 |  | Cystitis, unspecified |  |  |  | 
	
		|  N30.90 |  | Cystitis, unspecified without hematuria |  |  |  |  | 
	
		|  N30.91 |  | Cystitis, unspecified with hematuria |  |  |