Medicare Managed Care Manual (Pub. 100-16), Ch. 17f § 120.7
Recordkeeping
120.7 - Recordkeeping
(Rev. 77, Issued: 10-28-05, Effective Date: 10-28-05)
The Medicare cost plan must maintain a health (including medical) recordkeeping system
through which pertinent information relating to the health care of its Medicare enrollees
is accumulated and is readily available to appropriate professionals.