Pressure ulcer of left ankle, unspecified stage

This code identifies a pressure injury located on the left ankle, where the specific stage of tissue damage (e.g., Stage 1, Stage 2, deep tissue injury) has not been documented by the provider. It indicates localized damage to the skin and/or underlying soft tissue resulting from prolonged pressure or pressure in combination with shear.

Apply this code when documentation clearly states a pressure ulcer is present on the left ankle, but the clinical stage of the ulcer is not specified. This is appropriate for initial encounters or when staging information is missing from the medical record. Ensure the documentation explicitly mentions "pressure ulcer" or "pressure injury" of the left ankle.

• Always query the provider for the specific stage of the pressure ulcer to allow for more precise coding.
• Do not use this code if any stage (e.g., L89.521, L89.522) is documented; stage-specific codes take precedence.
• This code should be sequenced as a secondary diagnosis if the pressure ulcer is a complication of another condition, or as a primary diagnosis if it is the reason for the encounter.