Privacy Act of 1974; report of altered system. Health Care Financing Administration. Notification of altered system.
D003219:Confidentiality / Q000331:legislation & jurisprudence*; D006801:Humans; D006278:Medicare / Q000331:legislation & jurisprudence; D012017:Referral and Consultation; D013514:Surgical Procedures, Operative / Q000706:statistics & numerical data*; D014481:United States