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Printed Date: 9/22/2015
Submit HCPCS modifier AS to identify the services of a physician assistant, nurse practitioner, or clinical nurse specialist for assistant at surgery.
In addition, the following documentation is required in the medical record when the surgery is performed in a teaching hospital:
To determine whether the services of an assistant may be submitted to Medicare with CPT modifier AS, refer to the Medicare Physician Fee Schedule database (MPFSDB):
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Last Updated: 05/03/2019