All Modifiers Categories
Browse medical billing modifier categories including E/M, surgical, Medicare, HCPCS, radiology, and X modifiers with coding guidance and billing explanations
Browse Modifiers Categories
E/M Modifiers
Modifiers used with evaluation and management services
Modifiers related to surgical and operative procedures.
Modifiers specific to Medicare billing and compliance
Surgical Modifiers
Medicare Modifiers
HCPCS Modifiers
Modifiers used with HCPCS Level II procedure codes
Radiology Modifiers
Modifiers for imaging and radiology-related services
X Modifiers
Distinct services, encounters, practitioners, and structures
Explore Modifiers by Category to quickly find the information you need
Anesthesia Modifiers
Modifiers used with anesthesia services and anesthesia billing
Laboratory Modifiers
Modifiers used with laboratory procedure codes
Modifiers specific to telemedicine billing and services
Telehealth Modifiers
Therapy Modifiers
Modifiers specific to therapy billing services
Mental Health Modifiers
Modifiers specific to mental health billing services
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