ICD-10 Code L97.80 – Non-pressure chronic ulcer of other part of unspecified lower leg (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code L97.80 – Non-pressure chronic ulcer of other part of unspecified lower leg
What it is
This code identifies a chronic, non-pressure ulcer on another specified part of the lower leg when the exact side or site is not documented. Use it for a persistent skin break or open sore that is not caused by pressure.
Clinical signs
Typical findings include a visible ulcer, surrounding skin changes, drainage, or delayed healing. Clinical features vary; refer to documentation for the exact location and whether the ulcer is chronic and non-pressure related.
When to use this code
Use L97.80 when the record clearly states a chronic non-pressure ulcer in the lower leg but does not specify a more exact lower-leg site or laterality. It fits wound care notes, problem lists, or specialist assessments that describe a chronic ulcer without enough detail for a more specific code.
Do not use for
Do not use this code for pressure ulcers, acute wounds, or ulcers with a documented more specific lower-leg site. Check documentation if the chart identifies the exact location or if the ulcer is on the foot, ankle, or another body area.
Coding tip
If the note gives a more precise site, code that instead; unspecified lower-leg coding should be your fallback only when documentation is incomplete.