L97.4 - Non-pressure chronic ulcer of heel and midfoot
L97.42 - Non-pressure chronic ulcer of left heel and midfoot
L97.421 - Non-pressure chronic ulcer of left heel and midfoot limited to breakdown of skin
L97.422 - Non-pressure chronic ulcer of left heel and midfoot with fat layer exposed
L97.423 - Non-pressure chronic ulcer of left heel and midfoot with necrosis of muscle
L97.424 - Non-pressure chronic ulcer of left heel and midfoot with necrosis of bone
L97.429 - Non-pressure chronic ulcer of left heel and midfoot with unspecified severity