|  L98.4 |  | Non-pressure chronic ulcer of skin, not elsewhere classified | 
	
		|  |  | 
| Chronic ulcer of skin NOS |  | Tropical ulcer NOS |  | Ulcer of skin NOS |  
		| Excludes2 | pressure ulcer (pressure area) (L89.-) gangrene (I96)
 skin infections (L00-L08)
 specific infections classified to A00-B99
 ulcer of lower limb NEC (L97.-)
 varicose ulcer (I83.0-I83.93)
 
 |  | 
|  |  | 
	
		|  L98.41 |  | Non-pressure chronic ulcer of buttock |  |  |  | 
	
		|  L98.411 |  | Non-pressure chronic ulcer of buttock limited to breakdown of skin |  |  |  |  | 
	
		|  L98.412 |  | Non-pressure chronic ulcer of buttock with fat layer exposed |  |  |  |  | 
	
		|  L98.413 |  | Non-pressure chronic ulcer of buttock with necrosis of muscle |  |  |  |  | 
	
		|  L98.414 |  | Non-pressure chronic ulcer of buttock with necrosis of bone |  |  |  |  | 
	
		|  L98.415 |  | Non-pressure chronic ulcer of buttock with muscle involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.416 |  | Non-pressure chronic ulcer of buttock with bone involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.418 |  | Non-pressure chronic ulcer of buttock with other specified severity |  |  |  |  | 
	
		|  L98.419 |  | Non-pressure chronic ulcer of buttock with unspecified severity |  |  | 
|  |  | 
	
		|  L98.42 |  | Non-pressure chronic ulcer of back |  |  |  | 
	
		|  L98.421 |  | Non-pressure chronic ulcer of back limited to breakdown of skin |  |  |  |  | 
	
		|  L98.422 |  | Non-pressure chronic ulcer of back with fat layer exposed |  |  |  |  | 
	
		|  L98.423 |  | Non-pressure chronic ulcer of back with necrosis of muscle |  |  |  |  | 
	
		|  L98.424 |  | Non-pressure chronic ulcer of back with necrosis of bone |  |  |  |  | 
	
		|  L98.425 |  | Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.426 |  | Non-pressure chronic ulcer of back with bone involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.428 |  | Non-pressure chronic ulcer of back with other specified severity |  |  |  |  | 
	
		|  L98.429 |  | Non-pressure chronic ulcer of back with unspecified severity |  |  | 
|  |  | 
	
		|  L98.43 |  | Non-pressure chronic ulcer of abdomen |  |  |  | 
	
		|  L98.431 |  | Non-pressure chronic ulcer of abdomen limited to breakdown of skin |  |  |  |  | 
	
		|  L98.432 |  | Non-pressure chronic ulcer of abdomen with fat layer exposed |  |  |  |  | 
	
		|  L98.433 |  | Non-pressure chronic ulcer of abdomen with necrosis of muscle |  |  |  |  | 
	
		|  L98.434 |  | Non-pressure chronic ulcer of abdomen with necrosis of bone |  |  |  |  | 
	
		|  L98.435 |  | Non-pressure chronic ulcer of abdomen with muscle involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.436 |  | Non-pressure chronic ulcer of abdomen with bone involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.438 |  | Non-pressure chronic ulcer of abdomen with other specified severity |  |  |  |  | 
	
		|  L98.439 |  | Non-pressure chronic ulcer of abdomen with unspecified severity |  |  | 
|  |  | 
	
		|  L98.44 |  | Non-pressure chronic ulcer of chest |  |  |  | 
	
		|  L98.441 |  | Non-pressure chronic ulcer of chest limited to breakdown of skin |  |  |  |  | 
	
		|  L98.442 |  | Non-pressure chronic ulcer of chest with fat layer exposed |  |  |  |  | 
	
		|  L98.443 |  | Non-pressure chronic ulcer of chest with necrosis of muscle |  |  |  |  | 
	
		|  L98.444 |  | Non-pressure chronic ulcer of chest with necrosis of bone |  |  |  |  | 
	
		|  L98.445 |  | Non-pressure chronic ulcer of chest with muscle involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.446 |  | Non-pressure chronic ulcer of chest with bone involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.448 |  | Non-pressure chronic ulcer of chest with other specified severity |  |  |  |  | 
	
		|  L98.449 |  | Non-pressure chronic ulcer of chest with unspecified severity |  |  | 
|  |  | 
	
		|  L98.45 |  | Non-pressure chronic ulcer of neck |  |  |  | 
	
		|  L98.451 |  | Non-pressure chronic ulcer of neck limited to breakdown of skin |  |  |  |  | 
	
		|  L98.452 |  | Non-pressure chronic ulcer of neck with fat layer exposed |  |  |  |  | 
	
		|  L98.453 |  | Non-pressure chronic ulcer of neck with necrosis of muscle |  |  |  |  | 
	
		|  L98.454 |  | Non-pressure chronic ulcer of neck with necrosis of bone |  |  |  |  | 
	
		|  L98.455 |  | Non-pressure chronic ulcer of neck with muscle involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.456 |  | Non-pressure chronic ulcer of neck with bone involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.458 |  | Non-pressure chronic ulcer of neck with other specified severity |  |  |  |  | 
	
		|  L98.459 |  | Non-pressure chronic ulcer of neck with unspecified severity |  |  | 
|  |  | 
	
		|  L98.46 |  | Non-pressure chronic ulcer of face |  |  |  | 
	
		|  L98.461 |  | Non-pressure chronic ulcer of face limited to breakdown of skin |  |  |  |  | 
	
		|  L98.462 |  | Non-pressure chronic ulcer of face with fat layer exposed |  |  |  |  | 
	
		|  L98.463 |  | Non-pressure chronic ulcer of face with necrosis of muscle |  |  |  |  | 
	
		|  L98.464 |  | Non-pressure chronic ulcer of face with necrosis of bone |  |  |  |  | 
	
		|  L98.465 |  | Non-pressure chronic ulcer of face with muscle involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.466 |  | Non-pressure chronic ulcer of face with bone involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.468 |  | Non-pressure chronic ulcer of face with other specified severity |  |  |  |  | 
	
		|  L98.469 |  | Non-pressure chronic ulcer of face with unspecified severity |  |  | 
|  |  | 
	
		|  L98.47 |  | Non-pressure chronic ulcer of groin |  |  |  | 
	
		|  L98.471 |  | Non-pressure chronic ulcer of groin limited to breakdown of skin |  |  |  |  | 
	
		|  L98.472 |  | Non-pressure chronic ulcer of groin with fat layer exposed |  |  |  |  | 
	
		|  L98.473 |  | Non-pressure chronic ulcer of groin with necrosis of muscle |  |  |  |  | 
	
		|  L98.474 |  | Non-pressure chronic ulcer of groin with necrosis of bone |  |  |  |  | 
	
		|  L98.475 |  | Non-pressure chronic ulcer of groin with muscle involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.476 |  | Non-pressure chronic ulcer of groin with bone involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.478 |  | Non-pressure chronic ulcer of groin with other specified severity |  |  |  |  | 
	
		|  L98.479 |  | Non-pressure chronic ulcer of groin with unspecified severity |  |  | 
|  |  | 
	
		|  L98.49 |  | Non-pressure chronic ulcer of skin of other sites |  
		|  |  | 
| Non-pressure chronic ulcer of skin NOS |  |  |  |  | 
	
		|  L98.491 |  | Non-pressure chronic ulcer of skin of other sites limited to breakdown of skin |  |  |  |  | 
	
		|  L98.492 |  | Non-pressure chronic ulcer of skin of other sites with fat layer exposed |  |  |  |  | 
	
		|  L98.493 |  | Non-pressure chronic ulcer of skin of other sites with necrosis of muscle |  |  |  |  | 
	
		|  L98.494 |  | Non-pressure chronic ulcer of skin of other sites with necrosis of bone |  |  |  |  | 
	
		|  L98.495 |  | Non-pressure chronic ulcer of skin of other sites with muscle involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.496 |  | Non-pressure chronic ulcer of skin of other sites with bone involvement without evidence of necrosis |  |  |  |  | 
	
		|  L98.498 |  | Non-pressure chronic ulcer of skin of other sites with other specified severity |  |  |  |  | 
	
		|  L98.499 |  | Non-pressure chronic ulcer of skin of other sites with unspecified severity |  |  |