L98.424

Non-pressure chronic ulcer of back limited to breakdown of skin

Non-pressure chronic ulcer of back with fat layer exposed

Non-pressure chronic ulcer of back with necrosis of muscle

Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosis

Non-pressure chronic ulcer of back with bone involvement without evidence of necrosis

Non-pressure chronic ulcer of back with other specified severity

Non-pressure chronic ulcer of back with unspecified severity