All
 N03 Health Care Economics and Organizations D004472 +
 N03.219 Economics D004467 +
 N03.219.521 Financing, Organized D005381 +
 N03.219.521.576 Insurance D007341 +
 N03.219.521.576.343 Insurance, Health D007348 +
 N03.219.521.576.343.800 Managed Care Programs D008329 +
 N03.219.521.576.343.800.400 Health Maintenance Organizations D006279 
 N03.219.521.576.343.800.450 Independent Practice Associations D007193 
 N03.219.521.576.343.800.750 Preferred Provider Organizations D011243 
 N03.219.521.576.343.800.175 Competitive Medical Plans D016536 
 N03.219.521.576.343.800.875 Provider-Sponsored Organizations D020400 
 N03.219.521.576.343.800.700 Patient Freedom of Choice Laws D020403