CPT® 81, Under Provider Services and Ambulatory Service Center Modifiers
The Current Procedural Terminology (CPT®) code 81 as maintained by American Medical Association, is a medical procedural code under the range - Provider Services and Ambulatory Service Center Modifiers.
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Lay Term
Summary
Append modifier 81 to a procedure code for an assistant surgeon when he assists an operating, or principal, surgeon during part of a procedure.
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Modifier Guidelines
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