CMS Codifies Definition of “Reasonable and Necessary” in Medicare Coverage Determinations
On January 14, 2021, the Centers for Medicare & Medicaid Services (CMS) issued a final rule codifying a definition for “reasonable and necessary” coverage under Medicare Part A and Part B. CMS hopes codifying the meaning of “reasonable and necessary” will provide clarity and consistency to the current process of coverage determination for items and services under Part A and Part B. The final rule takes effect on March 15, 2021.
The definition of “reasonable and necessary” has three components: an item or service is required to be 1) safe and effective, 2) not experimental or investigational, and 3) appropriate for Medicare patients. Whether an item or service is appropriate for Medicare patients will be based on the duration and frequency deemed appropriate for the item or service and whether the item or service:
- Is provided in accordance with accepted standards of medical practice