CMSCoordination of Benefits is required when a patient is covered by more than one health insurance plan and the plans involved determine how much each plan is to pay. is an acronym for Centers for MedicareComposite Health Care System II (CHCS II) is the U.S. Department of defense Health Record System. and MedicaidComposite Health Care System II (CHCS II) is the U.S. Department of defense Health Record System. Services, and agency of the Department of Health and Human Services.

Back to glossary