Strain extn musc/fasc/tend l little fngr at forarm lv, subs

This code signifies a non-traumatic overstretching or tearing of the extensor muscles, fascia, or tendons specifically located in the left little finger region, but at the level of the forearm. This injury affects the structures responsible for extending the left little finger.

Apply this code when documenting follow-up care for a patient with a previously diagnosed strain of the extensor structures of the left little finger, where the injury itself is located within the forearm. This includes encounters for physical therapy, re-evaluation, or ongoing management of the healing process.

• Ensure the documentation specifies "left little finger" and "forearm level" for anatomical accuracy.
• Confirm the encounter is "subsequent" (D) and not initial (A) or sequela (S).
• Verify the injury is a "strain" and not a rupture or other type of injury.