S32.4 - Fracture of acetabulum
S32.42 - Fracture of posterior wall of acetabulum
S32.421 - Displaced fracture of posterior wall of right acetabulum
S32.422 - Displaced fracture of posterior wall of left acetabulum
S32.423 - Displaced fracture of posterior wall of unspecified acetabulum
S32.424 - Nondisplaced fracture of posterior wall of right acetabulum
S32.425 - Nondisplaced fracture of posterior wall of left acetabulum
S32.426 - Nondisplaced fracture of posterior wall of unspecified acetabulum