title: HCFA clarifies Medicare outpatient observation policy.
authors.forename: D
authors.initials: D
authors.lastname: Rode
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D006278:Medicare / Q000331:legislation & jurisprudence*; D019370:Observation; D010044:Outpatient Clinics, Hospital / Q000191:economics* / Q000331:legislation & jurisprudence; D010343:Patient Admission; D014481:United States