ICD-10 Code L97.129 – Non-pressure chronic ulcer of left thigh with unspecified severity (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code L97.129 – Non-pressure chronic ulcer of left thigh with unspecified severity
What it is
This code identifies a chronic, non-pressure ulcer located on the left thigh, with severity not further specified. Use it for a persistent skin break or wound that is not caused by pressure.
Clinical signs
Typical findings include an open sore on the left thigh that may show delayed healing, drainage, or surrounding skin changes. Clinical features vary; refer to documentation.
When to use this code
Use this code when the record clearly states a chronic non-pressure ulcer of the left thigh and does not document a more specific severity. It may apply when the provider describes the ulcer but does not classify it further. Confirm laterality and site before coding.
Do not use for
Do not use it for pressure ulcers, acute wounds, or ulcers on a different body site. Check documentation if the severity, cause, or location differs.
Coding tip
Verify that the ulcer is chronic, non-pressure, and on the left thigh before assigning L97.129.