Will Medicare Cover A MRI? 
An MRI is a diagnostic test and is covered under Medicare Part B . This year the annual deductible for Part B is $ 166 and after you have met that deductible Medicare will cover 80 % of all of you Part B medical expenses . Medicare Supplements cover the 20 % that Medicare leaves off . If you have a Medicare Advantage Plan you will have a co-pay for the test . The co-pay for a diagnostic test vary depending on the plan you have . 