ICD-10-CM code "L97.90": Non-pressure chronic ulcer of unspecified part of unspecified lower leg (2024)

Excludes

1. Diseases of the skin and subcutaneous tissue (L00-L99)

   Type 2certain conditions originating in the perinatal period (P04-P96)

   Type 2certain infectious and parasitic diseases (A00-B99)

   Type 2complications of pregnancy, childbirth and the puerperium (O00-O9A)

   Type 2congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)

   Type 2endocrine, nutritional and metabolic diseases (E00-E88)

   Type 2lipomelanotic reticulosis (I89.8)

   Type 2neoplasms (C00-D49)

   Type 2symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

   Type 2systemic connective tissue disorders (M30-M36)

   Type 2viral warts (B07.-)

2. Other disorders of the skin and subcutaneous tissue (L80-L99)
3. Non-pressure chronic ulcer of lower limb, not elsewhere classified (L97)

   Type 2pressure ulcer (pressure area) (L89.-)

   Type 2skin infections (L00-L08)

   Type 2specific infections classified to A00-B99

4. Non-pressure chronic ulcer of unspecified part of lower leg (L97.9)
5. Non-pressure chronic ulcer of unspecified part of unspecified lower leg (L97.90)

Includes

1. Diseases of the skin and subcutaneous tissue (L00-L99)
2. Other disorders of the skin and subcutaneous tissue (L80-L99)
3. Non-pressure chronic ulcer of lower limb, not elsewhere classified (L97)

   Includeschronic ulcer of skin of lower limb NOS

   Includesnon-healing ulcer of skin

   Includesnon-infected sinus of skin

   Includestrophic ulcer NOS

   Includestropical ulcer NOS

   Includesulcer of skin of lower limb NOS

4. Non-pressure chronic ulcer of unspecified part of lower leg (L97.9)
5. Non-pressure chronic ulcer of unspecified part of unspecified lower leg (L97.90)

Subcategories

• Non-pressure chronic ulcer of unspecified part of unspecified lower leg limited to breakdown of skin (L97.901)
• Non-pressure chronic ulcer of unspecified part of unspecified lower leg with fat layer exposed (L97.902)
• Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of muscle (L97.903)
• Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of bone (L97.904)
• Non-pressure chronic ulcer of unspecified part of unspecified lower leg with muscle involvement without evidence of necrosis (L97.905)
• Non-pressure chronic ulcer of unspecified part of unspecified lower leg with bone involvement without evidence of necrosis (L97.906)
• Non-pressure chronic ulcer of unspecified part of unspecified lower leg with other specified severity (L97.908)
• Non-pressure chronic ulcer of unspecified part of unspecified lower leg with unspecified severity (L97.909)