|  Q64 |  | Other congenital malformations of urinary system   | 
|  |  | 
	
		|  Q64.0 |  | Epispadias |  
		|  |  | 
	
		| Excludes1 | hypospadias (Q54.-) 
 |  |  | 
|  |  | 
	
		|  Q64.1 |  | Exstrophy of urinary bladder |  |  |  | 
	
		|  Q64.10 |  | Exstrophy of urinary bladder, unspecified |  
		|  |  |  |  |  |  |  | 
	
		|  Q64.11 |  | Supravesical fissure of urinary bladder |  |  |  |  | 
	
		|  Q64.12 |  | Cloacal exstrophy of urinary bladder |  |  |  |  | 
	
		|  Q64.19 |  | Other exstrophy of urinary bladder |  
		|  |  |  |  |  | 
|  |  | 
	
		|  Q64.2 |  | Congenital posterior urethral valves |  | 
|  |  | 
	
		|  Q64.3 |  | Other atresia and stenosis of urethra and bladder neck |  |  |  | 
	
		|  Q64.31 |  | Congenital bladder neck obstruction |  
		|  |  | 
| Congenital obstruction of vesicourethral orifice |  |  |  |  |  | 
	
		|  Q64.32 |  | Congenital stricture of urethra |  |  |  |  | 
	
		|  Q64.33 |  | Congenital stricture of urinary meatus |  |  |  |  | 
	
		|  Q64.39 |  | Other atresia and stenosis of urethra and bladder neck |  
		|  |  | 
| Atresia and stenosis of urethra and bladder neck NOS |  |  |  | 
|  |  | 
	
		|  Q64.4 |  | Malformation of urachus |  
		|  |  | 
| Cyst of urachus |  | Patent urachus |  | Prolapse of urachus |  |  | 
|  |  | 
	
		|  Q64.5 |  | Congenital absence of bladder and urethra |  | 
|  |  | 
	
		|  Q64.6 |  | Congenital diverticulum of bladder |  | 
|  |  | 
	
		|  Q64.7 |  | Other and unspecified congenital malformations of bladder and urethra |  
		|  |  | 
	
		| Excludes1 | congenital prolapse of bladder (mucosa) (Q79.4) 
 |  |  |  |  | 
	
		|  Q64.70 |  | Unspecified congenital malformation of bladder and urethra |  
		|  |  | 
| Malformation of bladder or urethra NOS |  |  |  |  |  | 
	
		|  Q64.71 |  | Congenital prolapse of urethra |  |  |  |  | 
	
		|  Q64.72 |  | Congenital prolapse of urinary meatus |  |  |  |  | 
	
		|  Q64.73 |  | Congenital urethrorectal fistula |  |  |  |  | 
	
		|  Q64.74 |  | Double urethra |  |  |  |  | 
	
		|  Q64.75 |  | Double urinary meatus |  |  |  |  | 
	
		|  Q64.79 |  | Other congenital malformations of bladder and urethra |  |  | 
|  |  | 
	
		|  Q64.8 |  | Other specified congenital malformations of urinary system |  | 
|  |  | 
	
		|  Q64.9 |  | Congenital malformation of urinary system, unspecified |  
		|  |  | 
| Congenital anomaly NOS of urinary system |  | Congenital deformity NOS of urinary system |  |  |