Unsp fx second metacarpal bone, left hand, init for opn fx

This code signifies a fracture of the second metacarpal bone in the left hand where the specific type of fracture (e.g., transverse, oblique) is not documented. It also indicates that the fracture is an open fracture, meaning the skin and soft tissue were broken, exposing the bone, and that this is the initial treatment for the injury.

This code is appropriate for a patient presenting with a newly diagnosed, open fracture of the left second metacarpal bone when the physician documentation does not specify the fracture's morphology. It should be used for the first encounter where definitive treatment for this specific injury is provided.

• Ensure documentation clearly states "open fracture" and specifies the left second metacarpal.
• Only use for the initial encounter; subsequent care will require a different encounter character.
• If the fracture type is later identified, a more specific code should be used.