| 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 |
| L97.311 | Non-pressure chronic ulcer of right ankle limited to breakdown of skin |
| L97.312 | Non-pressure chronic ulcer of right ankle with fat layer exposed |
| L97.313 | Non-pressure chronic ulcer of right ankle with necrosis of muscle |
| L97.314 | Non-pressure chronic ulcer of right ankle with necrosis of bone |
| L97.315 | Non-pressure chronic ulcer of right ankle with muscle involvement without evidence of necrosis |
| L97.316 | Non-pressure chronic ulcer of right ankle with bone involvement without evidence of necrosis |
| L97.318 | Non-pressure chronic ulcer of right ankle with other specified severity |
| L97.319 | Non-pressure chronic ulcer of right ankle with unspecified severity |
| 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 |
