Unsp inj msl/tnd lng extn msl toe at ank/ft lev, r ft, sqla

This code signifies a long-term effect or complication arising from an unspecified injury to the muscle and tendon of the long extensor muscle in the right foot, specifically at the ankle and foot level. This could include chronic pain, weakness, limited range of motion, or other persistent issues resulting from a past injury to this specific anatomical structure.

Use this code when documenting a patient presenting with a sequela (late effect) of an unspecified injury to the long extensor muscle and tendon of the right toe, affecting the ankle and foot. This is appropriate for conditions that are no longer acute but are direct consequences of a previous injury, such as chronic instability or degenerative changes.

• Always assign a primary code for the specific sequela (e.g., M25.571 for chronic pain in the right ankle/foot) followed by this sequela code.
• Ensure documentation clearly states the injury is "unspecified" and that the current condition is a "sequela" of a past injury.
• Verify the laterality (right foot) and the specific muscle/tendon group (long extensor muscle of toe) are accurately documented.