title: CPT update for 2011: immunizations, observations and more.
authors.forename: Cindy
authors.initials: C
authors.lastname: Hughes
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D039702:Current Procedural Terminology; D006801:Humans; D017589:Immunization Programs / Q000639:trends*; D008484:Medicaid; D006278:Medicare; D010372:Pediatrics / Q000379:methods*; D014481:United States