Final answer:
The purpose of an Advanced Beneficiary Notice (ABN) is to inform Medicare patients of non-coverage.
Step-by-step explanation:
The purpose of an Advanced Beneficiary Notice (ABN) is to inform Medicare patients of non-coverage. An ABN is a written notice that a healthcare provider gives to a patient before providing a service or procedure that Medicare is likely to deny payment. It explains that the patient may have to pay out-of-pocket if Medicare doesn't cover the service or procedure.