title: HCFA mandates preapproval for cataract surgery.
mesh_terms: D002387:Cataract Extraction; D014487:Centers for Medicare and Medicaid Services, U.S.; D006801:Humans; D006278:Medicare; D010380:Peer Review; D011366:Professional Review Organizations; D014481:United States; D014483:United States Dept. of Health and Human Services