Nondisp trimalleol fx unsp low leg, init for opn fx type I/2

This code signifies a fracture involving all three malleoli (medial, lateral, and posterior) of an unspecified lower leg, where the bone fragments remain in their normal anatomical alignment. It specifically indicates an open fracture classified as Type I or II, meaning there is a wound communicating with the fracture site, but with minimal to moderate soft tissue damage.

Apply this code for the initial treatment of a patient presenting with a trimalleolar fracture that has not been surgically reduced or definitively treated. This is appropriate when the fracture is confirmed to be nondisplaced and the open nature of the injury falls within Gustilo-Anderson Type I or II criteria. Use for the initial encounter for this specific type of injury.

• Ensure documentation clearly specifies "nondisplaced" and "trimalleolar" for accurate code selection.
• Verify the open fracture type (Gustilo-Anderson I or II) is explicitly stated or clearly inferable from the physician's notes.
• This "B" encounter code is only for the initial treatment phase; subsequent care will require different encounter characters.