Coding Ahead
CasePilot
Medical Coding Assistant
Case2Code
Search and Code Lookup Tool
CareerCenter
Medical Coding Job Board
Log in Register free account

Need help choosing the right code?

Ask CasePilot about procedures, modifiers, bundling, and coding guidance.

Try CasePilot
CPT®
51

CPT® Modifier 51

Official Description

Multiple Procedures

When multiple procedures, other than E/M services, physical medicine and rehabilitation services, or provision of supplies (eg, vaccines), are performed at the same session by the same individual, the primary procedure or service may be reported as listed. The additional procedure(s) or service(s) may be identified by appending modifier 51 to the additional procedure or service code(s).
Note: This modifier should not be appended to designated "add-on" codes (see Appendix D).

© Copyright 2026 American Medical Association. All rights reserved.

Short Descr Multiple Procedures
Medium Descr Multiple Procedures
Date
Action
Notes
2013-01-01 Changed Changed Code for 2013
CasePilot

Get instant expert-level medical coding assistance.

Ask about:
CPT Codes Guidelines Modifiers Crosswalks NCCI Edits Compliance Medicare Coverage
Example: "What is CPT code 99213?" or "Guidelines for E/M services"