Question: Does Medicare pay for a screening breast MRI? Our physician is scheduling a breast MRI in a BRCA2 positive patient. Massachusetts Subscriber Answer: You should confirm with Medicare if they cover the diagnosis Z15.01 (Genetic susceptibility to malignant neoplasm of breast) in support of medical need. At the present time, they will not pay for a screening breast MRI, so you have to establish that this is not screening. However, you cannot use a non-Z code because the patient currently does not appear to have an issue except for her BRCA status (unless she found a breast lump or something). Another option is using R97.8 (Other abnormal tumor markers) if you also have an abnormal tumor marker such as an elevated CA-15, ER status, etc. The BRCA test finds a gene that may increase the risk of cancer but is not a tumor marker.