The fourteen appendixes in the American Medical Association publication of CPT contain information helpful to the coding process:
1. Appendix A—Modifiers: A complete listing of all modifiers used in CPT with descriptions and, in some cases, examples of usage
2. Appendix B—Summary of Additions, Deletions, and Revisions: A summary of the codes added, revised, and deleted in the current version
3. Appendix C—Clinical Examples: Case examples of the proper use of the codes in the Evaluation and Management section
4. Appendix D—Summary of CPT Add-on Codes: List of supplemental codes used for procedures that are commonly done in addition to the primary procedure
5. Appendix E—Summary of CPT Codes Exempt from Modifier 51: Codes to which the modifier showing multiple procedures cannot be attached because they already include a multiple descriptor
6. Appendix F—Summary of CPT Codes Exempt from Modifier 63
7. Appendix G—Summary of CPT Codes That Include Moderate (Conscious) Sedation
8. Appendix H—Alphabetical Clinical Topics Listing
9. Appendix I—Genetic Testing Code Modifiers
10. Appendix J—Electrodiagnostic Medicine Listing of Sensory, Motor, and Mixed Nerves
11. Appendix K—Product Pending FDA Approval
12. Appendix L—Vascular Families
13. Appendix M—Deleted CPT Codes
14. Appendix N—Summary of Resequenced CPT Codes | 
