Lacerat extn musc/fasc/tend at forarm lv, left arm, subs

This code signifies a tear or cut in an extensor muscle, its surrounding fascia, or a tendon in the left forearm, occurring during the recovery phase after initial treatment. This injury affects the tissues responsible for extending the wrist and fingers.

Apply this code when a patient presents for follow-up care, such as wound checks, cast changes, or physical therapy, for a previously treated laceration of an extensor structure in the left forearm. It is appropriate for encounters after the initial active treatment of the injury.

• Ensure the documentation clearly specifies "left arm" and an "extensor" structure.
• Verify that the encounter is for subsequent care, not the initial treatment or sequela.
• Confirm the injury is a laceration, not a strain or rupture without an open wound.