Disp fx of posterior wall of unsp acetabulum, init

This code signifies a break in the posterior wall of the acetabulum, the socket portion of the hip joint, where the bone fragments are no longer in their normal anatomical alignment. This injury is typically acute and is being treated for the first time, with the skin over the fracture remaining intact.

Apply this code for initial encounters involving a newly diagnosed, closed, displaced fracture of the posterior acetabular wall, where the specific side (left or right) of the injury is not documented. This is common in high-impact trauma such as motor vehicle accidents or falls.

• Ensure documentation clearly states "displaced" and "posterior wall" of the acetabulum.
• Only use for the initial treatment phase of a closed fracture. Subsequent encounters will require a different seventh character.
• Avoid this code if the laterality (left or right) of the acetabulum is specified in the medical record; a more specific code should be chosen.