L97.3 - Non-pressure chronic ulcer of ankle
L97.30 - Non-pressure chronic ulcer of unspecified ankle
L97.301 - Non-pressure chronic ulcer of unspecified ankle limited to breakdown of skin
L97.302 - Non-pressure chronic ulcer of unspecified ankle with fat layer exposed
L97.303 - Non-pressure chronic ulcer of unspecified ankle with necrosis of muscle
L97.304 - Non-pressure chronic ulcer of unspecified ankle with necrosis of bone
L97.309 - Non-pressure chronic ulcer of unspecified ankle with unspecified severity