Lacerat extn musc/fasc/tend l mid finger at wrs/hnd lv, subs

This code indicates a tear or cut to the extensor muscle, its surrounding fascia, and the associated tendon in the middle finger of the left hand. The injury is located specifically at the wrist or hand level, and the patient is receiving follow-up care for this condition.

This code is appropriate for subsequent encounters when a patient presents for ongoing treatment, such as wound care, physical therapy, or follow-up appointments, related to a laceration of the left middle finger's extensor mechanism at the wrist/hand level. It should be used after the initial treatment phase.

• Ensure the encounter is for subsequent care, not the initial injury.
• Verify the injury location is the middle finger, left hand, at the wrist or hand level.
• Confirm the specific tissue involved includes the extensor muscle, fascia, and tendon.