Q: A patient sustains closed fractures to the left acetabulum, left inferior and superior pubic rami and the left ilium. How should this injury be coded?

A: In AIS 98 the correct code is 852602.2

In AIS 2005 the pelvic ring and the acetabulum are coded separately, so the correct codes are 856151.2 (pelvic ring) and 856200.2 (acetabulum). Note that the severity of the injury is unchanged, but the specificity of coding the injury is improved.