E/M Modifiers
Browse evaluation and management modifiers used for office visits, postoperative care, surgical decisions, and separately identifiable E/M services.
Unrelated Evaluation and Management Service During a Postoperative Period
All E/M Modifiers
An E/M service that is unrelated to the patient’s recent surgery.
Significant, Separately Identifiable Evaluation and Management Service
Identifies medical services performed due to third-party or government requirements.
Decision for Surgery
An E/M service resulting in the initial decision to perform major surgery
Identifies multiple separate outpatient hospital E/M encounters provided to the same patient on one date
Multiple Outpatient Hospital E/M Encounters on the Same Date
32
A significant, separately identifiable E/M service performed on the same day as another procedure.
Mandated Services
Preventative Services
Identifies eligible preventive services provided under applicable preventive care requirements.
A Modifiers
Principal Physician of Record
Identifies the principal physician responsible for patient care.
ModifierLookup
Your trusted source for CPT and HCPCS modifier explanations, billing guidance, and coding resources
Categories
© 2025. All rights reserved.
Modifiers
Guides
Resources
Trusted Information
Practical Guidance
Accurate, up-to-date, and compliance-focused modifier guidance
Real-world billing examples and coding insights
Built for Professionals
Designed for coders, billers, and healthcare teams
Billing Guidelines
NCCI Edits Guide
Medicare Guidelines
Glossary
Privacy Policy
Terms & Conditions
Sitemap