Medically Necessary (Health Care) Law and Legal Definition

Medically necessary refers to the health care services or supplies that are needed and utilized by a prudent physician or healthcare provider for the diagnosis or treatment of an illness, injury, disease or its symptoms. The service or supplies provided must be in accordance with the generally accepted standards of medical practice and clinically appropriate in terms of type, frequency, extent, site and duration, and considered effective for the patient's illness, injury, or disease.