Displ commnt fx shaft of humerus, left arm, init for opn fx

This code signifies a severe break in the main part of the left upper arm bone (humerus) where the bone is shattered into multiple fragments and the broken bone has pierced through the skin. This is the initial visit for treatment of this specific injury.

Apply this code when documenting the initial treatment of a patient presenting with a left humeral shaft fracture that is both comminuted (multiple fragments) and open (skin integrity compromised). This code is appropriate for the emergency department visit, initial surgical repair, or first inpatient admission for this injury.

• Ensure documentation clearly specifies "left" arm and "shaft" of the humerus.
• Verify the fracture is explicitly described as "comminuted" and "open."
• Confirm this is the "initial encounter" for treatment of this specific fracture. Subsequent care would use a different seventh character.