L97.2 - Non-pressure chronic ulcer of calf
L97.22 - Non-pressure chronic ulcer of left calf
L97.221 - Non-pressure chronic ulcer of left calf limited to breakdown of skin
L97.222 - Non-pressure chronic ulcer of left calf with fat layer exposed
L97.223 - Non-pressure chronic ulcer of left calf with necrosis of muscle
L97.224 - Non-pressure chronic ulcer of left calf with necrosis of bone
L97.229 - Non-pressure chronic ulcer of left calf with unspecified severity