G8, G9 modifier

Modifiers – Anesthesia Related to CRNAs, AAs, & Locum Tenens  Medical direction is defined as the medical involvement of an Anesthesiologist or a qualified anesthetist (CRNA), anesthesia assistant (AA), in one, two, three or four concurrent procedures...

Primary Physician Provided Service – AG modifier

AG Modifier Description :  Primary Physician Provided Service (for determining Physician Scarcity Area (PSA) bonus). Required for Claims : Critical Access Hospitals (CAHs) Electing the Optional Payment Method (Method II) Type of Bill: 85X Coding Guidelines :...

AF modifier – Specialty Physician Provided Service

AF Modifier Description : Specialty Physician Provided Service (for determining Physician Scarcity Area (PSA) bonus). Required for Claims : Critical Access Hospitals (CAHs) Electing the Optional Payment Method (Method II) Type of Bill: 85X Coding Guidelines : Applies...