Final answer:
The Ambulance Fee Schedule requires services to be medically necessary and patients to be covered by Medicare, highlighting the significance of Medicare in healthcare coverage.
Explanation:
The Ambulance Fee Schedule requires that a service must meet the criteria of being medically necessary (A) and the patient must be covered by Medicare (C) to be eligible. Therefore, the correct answer is Both A and C (D). Medicare, a program that covers about one-half of health-care costs for the elderly, plays a significant role in ambulance services and healthcare coverage.
Learn more about Medicare and healthcare coverage for ambulance services here:
https://brainly.com/question/36765465
