ICD-10 Code L89.609 – Pressure ulcer of unspecified heel, unspecified stage (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code L89.609 – Pressure ulcer of unspecified heel, unspecified stage
What it is
This code identifies a pressure ulcer located on the heel when the laterality is not specified and the stage is not documented. Use it for a heel pressure injury of unknown stage or incomplete documentation.
Clinical signs
Clinical features vary; refer to documentation. A pressure ulcer may show localized skin or tissue damage over the heel, with redness, blistering, open skin, or necrotic tissue depending on severity.
When to use this code
Use this code when the record clearly states a pressure ulcer of the heel but does not specify left or right, and no stage is documented. It is also appropriate when staging cannot be determined from the note. If laterality or stage is documented elsewhere, code to the most specific available option.
Do not use for
Do not use it for pressure ulcers at other sites, or when the heel side and stage are documented. Check documentation if the wound is described as another type of ulcer or skin breakdown.
Coding tip
Query for laterality and stage whenever possible, because unspecified coding should be a last resort.