Source:http://linkedlifedata.com/resource/umls/id/C0086583
CSP: organized health care service in which provider must seek prior approval of the decision to treat a patient; if approved , the location, amount and type of care to be provided is agreed upon.,MEDLINEPLUS: <p>Managed care plans are health insurance plans that contract with health care providers and medical facilities to provide care for members at reduced costs. These providers make up the plan's network. How much of your care the plan will pay for depends on the network's rules.</p><p>Restrictive plans generally cost you less. More flexible plans cost more. There are three types of managed care plans:</p><ul><li>Health Maintenance Organizations (HMO) usually only pay for care within the network. You choose a primary care doctor who coordinates most of your care.</li><li>Preferred Provider Organizations (PPO) usually pay more if you get care within the network, but they still pay a portion if you go outside</li><li>Point of Service (POS) plans let you choose between an HMO or a PPO each time you need care