ICD-10 Code L97.124 – Non-pressure chronic ulcer of left thigh with necrosis of bone (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code L97.124 – Non-pressure chronic ulcer of left thigh with necrosis of bone
What it is
This code identifies a chronic, non-pressure ulcer on the left thigh with bone necrosis. Use it when the wound is not caused by pressure and documentation confirms bone involvement.
Clinical signs
Typical findings include a persistent open ulcer on the left thigh with exposed or necrotic bone, delayed healing, and local tissue breakdown. Clinical features vary; refer to documentation.
When to use this code
Use L97.124 when the provider documents a chronic ulcer of the left thigh and specifies necrosis of bone. It is appropriate for long-standing non-pressure wounds with confirmed depth and location. Check documentation if laterality, chronicity, or bone involvement is unclear.
Do not use for
Do not use this code for pressure ulcers, acute wounds, or ulcers without documented bone necrosis. If the site is not the left thigh, select the code that matches the documented location.
Coding tip
Verify both laterality and depth in the note before assigning the code.