ICD-10 Code L98.A222 – Non-pressure chronic ulcer of left forearm with fat layer exposed (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code L98.A222 – Non-pressure chronic ulcer of left forearm with fat layer exposed
What it is
This code identifies a chronic, non-pressure ulcer on the left forearm with exposed subcutaneous fat. Use it when documentation shows a persistent skin breakdown that is not caused by pressure injury.
Clinical signs
You may see an open wound on the left forearm with visible fat tissue, slow 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 ulcer of the left forearm and specifies fat layer exposure. It applies to non-pressure ulcers, including wounds documented as chronic, nonhealing, or persistent. Confirm laterality and depth before assigning the code.
Do not use for
Do not use this code for pressure ulcers, acute traumatic wounds, or ulcers without documentation of fat layer exposure. Check documentation if the site is not the left forearm.
Coding tip
Assign the code only when the provider documents both chronicity and exposed fat layer.