In which CPT appendix would modifiers be found?

Modifiers are found in Appendix A of the CPT (Current Procedural Terminology) manual. This appendix provides a comprehensive list of modifiers, which are two-digit codes that are added to CPT codes to indicate that a service or procedure has been modified in some way.

Modifiers can provide essential information about a procedure, such as whether it was performed bilaterally, whether it was a repeat procedure, or if special circumstances existed during the service. Understanding how to apply modifiers correctly is critical for accurate coding and billing, as they can affect reimbursement and compliance.

The other appendices in the CPT manual serve different purposes. For example, Appendix B lists codes that are considered "revised" and new codes that have been added, while Appendix C contains the index of surgical procedures. Appendix D focuses on the modifiers used in a different context, often specific to surgical services. Knowing where to locate modifiers is crucial for any coder, as it aids in proper coding practices and enhances the understanding of procedural nuances.