title: HMOs not regulated in all states; NAIC develops uniform model law.
mesh_terms: D006264:Health Benefit Plans, Employee / Q000331:legislation & jurisprudence*; D006279:Health Maintenance Organizations / Q000191:economics / Q000331:legislation & jurisprudence* / Q000458:organization & administration; D007348:Insurance, Health / Q000331:legislation & jurisprudence*; D014481:United States