Certificate of medical necessity

In the US a certificate of medical necessity is a document required by Centers for Medicare and Medicaid Services to substantiate in detail the medical necessity of an item of durable medical equipment or a service to a Medicare beneficiary. There are different types of CMN for different requirements, e.g., insulin pumps, home health and private duty nursing services, etc.


In the US a certificate of medical necessity is a document required by Centers for Medicare and Medicaid Services to substantiate in detail the medical necessity of an item of durable medical equipment or a service to a Medicare beneficiary. There are different types of CMN for different requirements, e.g., insulin pumps, home health and private duty nursing services, etc.
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