L98.41 - Non-pressure chronic ulcer of buttock L98.4 - Non-pressure chronic ulcer of skin, not elsewhere classified 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 L98.419 - Non-pressure chronic ulcer of buttock with unspecified severity