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

This code signifies a non-traumatic overstretching or tearing of the extensor muscle, fascia, or tendon specifically affecting the little finger on the left hand. The injury is located at the wrist or hand level, indicating involvement of the structures that extend the little finger.

Apply this code when a patient presents for follow-up care, such as a re-evaluation, cast change, or physical therapy, for a previously diagnosed strain of the left little finger extensor mechanism. This includes situations where the initial injury occurred at the wrist or hand level.

• Ensure the documentation specifies "subsequent encounter" for the injury.
• Verify the laterality is "left" and the specific digit is the "little finger."
• Confirm the injury is a "strain" and involves the "extensor muscle, fascia, or tendon" at the "wrist and hand level."