Data Aggregation With respect to protected health information created or received by a business associate in its capacity as the business associate of a covered entity, the combining of such protected health information by the business associate with the protected health information received by the business associate in its capacity as a business associate of another covered entity, to permit data analyses that relate to the health care operations of the respective covered entities. Legislation Files Containing This Term: legislation/45CFR-160.103.html legislation/45CFR-164.501.html