Modifiers 80, 81, 82, AS; Assistant at Surgery

Policy No: 109
Date of Origin: 12/01/2009
Section: Modifiers
Last Reviewed: 08/01/2023
Last Revised: 08/01/2022
Approved: 08/10/2023
Effective: 09/01/2023

This policy applies only to physicians and other qualified health care professionals.


Centers for Medicare & Medicaid Services (CMS), National Physician Fee Schedule Relative Value File

American Medical Association. Appendix A: Modifiers, Current Procedural Terminology (CPT®). AMA Press

Cross References

Modifier 62; Two Surgeons/Co-Surgeons


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