Medicare covers costs for health care deemed "reasonable and necessary" and excludes care classified as "experimental, investigative, or unproven." This article discusses coverage limits and the exceptions for which Medicare will authorize payment.
"Medicare Reasonable and Medically Necessary Care: Skirmishes at the Front,"
Marquette Elder's Advisor:
1, Article 8.
Available at: http://scholarship.law.marquette.edu/elders/vol4/iss1/8