| ICD-10 Code | Description |
| L97.321 | Non-pressure chronic ulcer of left ankle limited to breakdown of skin |
| L97.322 | Non-pressure chronic ulcer of left ankle with fat layer exposed |
| L97.323 | Non-pressure chronic ulcer of left ankle with necrosis of muscle |
| L97.324 | Non-pressure chronic ulcer of left ankle with necrosis of bone |
| L97.325 | Non-pressure chronic ulcer of left ankle with muscle involvement without evidence of necrosis |
| L97.326 | Non-pressure chronic ulcer of left ankle with bone involvement without evidence of necrosis |
| L97.328 | Non-pressure chronic ulcer of left ankle with other specified severity |
| L97.329 | Non-pressure chronic ulcer of left ankle with unspecified severity |
