| ICD-10 Code | Description |
| 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 |
| L97.305 | Non-pressure chronic ulcer of unspecified ankle with muscle involvement without evidence of necrosis |
| L97.306 | Non-pressure chronic ulcer of unspecified ankle with bone involvement without evidence of necrosis |
| L97.308 | Non-pressure chronic ulcer of unspecified ankle with other specified severity |
| L97.309 | Non-pressure chronic ulcer of unspecified ankle with unspecified severity |
