OPPS policy to assist users in reporting Category I and Category III codes - New - symbol next to appropriate outpatient codes directing users to the exact issue of the AMA's CPT Assistant newsletter - New - Appendix listing Hospital Outpatient Department procedure or service by Ambulatory Payment Classification (APC) - New - symbol indicating whether the CPT Bilateral Procedure Modifier -50 may be appended to that CPT code for Medicare OPPS reporting - APC status indicator table to reflect which CMS Ambulatory Payment Classification has been assigned to a particular procedure/service - Web site addresses to direct users to more detailed policy, specific to provider-based entities, transitional pass-through device reporting, and new technology APCs (including CPT Category III codes approved for Medicare reporting purposes). - Updated instruction related to the use of the CPT Multiple Procedure Modifier -51 as referenced in the CPT section/subsection instructional notes.