42 C.F.R. § 426.518
(a) Elements of the NCD record furnished to the aggrieved party. Except as provided in paragraph (b) of this section, the NCD record consists of any document or material that CMS considered during the development of the NCD, including, but not limited to, the following:
(2) Any medical evidence considered on or before the date the NCD was issued, including, but not limited to, the following:
(b) Elements of the NCD record not furnished to the aggrieved party. The NCD record furnished to the aggrieved party does not include the following: