Unspecified injury of left ankle, sequela

This code signifies the long-term effects or complications arising from an unspecified injury to the left ankle. It indicates that the initial acute injury has resolved, but the patient continues to experience residual symptoms, functional limitations, or other lasting consequences directly attributable to that past injury.

Use this code when documenting a patient presenting with chronic pain, stiffness, instability, or other persistent issues in the left ankle that are a direct result of a previously sustained, but unspecified, injury. This applies when the original injury's acute phase has passed, and the current encounter addresses the ongoing sequelae.

• Always attempt to identify a more specific sequela code if the exact nature of the long-term effect (e.g., pain, arthritis, scar formation) is known.
• This code should be used as a secondary diagnosis, following a code that describes the specific nature of the sequela (e.g., M25.572 for chronic left ankle pain).
• Ensure documentation clearly links the current condition to a past, unspecified left ankle injury.