[This product may also be called an open-ended HMO and offers a transition product incorporating features of both HMOs and PPOs. Beneficiaries are enrolled in an HMO but have the option to go outside the networks for an additional cost.Source: "Glossary of terms used in managed care" Developed by the Managed Care Assembly (MCA) of Medical Group Management Association (MGMA), MGM Journal, September/October 1995, p. 62 ( HL7V3.0 )]
UMLS (HL7) C1552478 Relation/PAR: Managed Care Organization