Question: How should we code for the insertion of a pain catheter? Because the catheters are not intravenous or arterial implantation devices, we have been using 64415* (Injection, anesthetic agent; brachial plexus). Florida Subscriber Answer: There are two items in the American Academy of Orthopaedic Surgeons' (AAOS) guidelines that indicate you should not report a separate code for inserting a pain catheter. Services that are in the global service package in AAOS' Complete Global Service Data for Orthopedic Surgery include the following: Based on this information, inserting a pain catheter for pain medication infiltration at the operative site is included in the global surgery package, and you should not attempt to charge separately for this service.