Source:http://linkedlifedata.com/resource/umls/id/C0032956
MSH: Arrangements negotiated between a third-party payer (often a self-insured company or union trust fund) and a group of health-care providers (hospitals and physicians) who furnish services at lower than usual fees, and, in return, receive prompt payment and an expectation of an increased volume of patients.,HL7V3.0: <p>A group of physicians and/or hospitals who contract with an employer to provide services to their employees. In a PPO, the patient may got to the physician of his/her choice, even if that physician does not participate in the PPO, but the patient receives care at a lower benefit level. 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</p>