title: HCFA will test a new HMO payment system.
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D003953:Diagnosis-Related Groups / Q000191:economics; D006279:Health Maintenance Organizations / Q000191:economics*; D006278:Medicare / Q000458:organization & administration*; D012051:Reimbursement Mechanisms; D014481:United States