ICD-10 Code L97.42 – Non-pressure chronic ulcer of left heel and midfoot (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code L97.42 – Non-pressure chronic ulcer of left heel and midfoot
What it is
This code identifies a chronic ulcer on the left heel or midfoot that is not caused by pressure. Use it when the documentation specifies a non-pressure skin breakdown in that anatomic area.
Clinical signs
Typical findings include an open wound with delayed healing, localized tissue loss, and possible drainage or surrounding skin changes. Clinical features vary; refer to documentation.
When to use this code
Use L97.42 when the provider documents a chronic ulcer on the left heel and/or midfoot and clearly states it is non-pressure related. It is appropriate for outpatient, inpatient, and wound-care records when the site and chronicity are documented. Check documentation if laterality or ulcer type is unclear.
Do not use for
Do not use this code for pressure ulcers, traumatic wounds, or ulcers at another foot location. If the record does not specify left heel or midfoot, choose the more accurate code after review.
Coding tip
Verify laterality, site, and that the ulcer is documented as non-pressure before assigning L97.42.