CJ Karrer
Writer · Reviewed by Richard ChanUpdated Jun 12, 2026
2 min read
Medicare only covers services and supplies that are deemed "medically necessary" to diagnose or treat an illness, injury, or condition.
To be considered medically necessary, treatments must meet accepted standards of medical practice and not be primarily for the patient's convenience.
If Medicare determines a service is not medically necessary, the beneficiary may be held responsible for the full cost of care.
The term “medically necessary” is a fundamental concept in the healthcare industry that defines the criteria under which medical services and treatments are considered essential for patients’ well-being.?Medicare covers medically necessary services, treatments, and procedures that are considered essential for diagnosing or treating a medical condition. The concept of “medically necessary” is a key factor in determining whether Medicare will cover a particular service or treatment. Here’s more information on this topic:
It’s important to consult with your healthcare provider and review the official Medicare guidelines to understand how the concept of medical necessity applies to your specific situation. Each case can be unique, so working closely with your healthcare team and understanding your coverage options is essential to ensure you receive the appropriate care while maximizing your Medicare benefits.