Question: Our surgeon performed an arthroscopic ACL reconstruction (29888) with an open posterolateral corner repair. Can we bill for both services? Alabama Subscriber Answer: Yes. Posterolateral corner injuries include tears of the popliteus tendon, lateral collateral ligament, lateral capsular ligament and arcuate ligament complex. The codes you report will depend on the structures that the orthopedist repairs, so you should review the orthopedist's operative note in great detail. You will probably report several codes from the following list, depending on the surgeon's documentation: