Coding validation--ambulatory care.
D000043:Abstracting and Indexing / Q000592:standards*; D000556:Ambulatory Surgical Procedures / Q000706:statistics & numerical data*; D004282:Documentation; D006801:Humans; D008499:Medical Records / Q000592:standards*; D011366:Professional Review Organizations; D011445:Prospective Payment System; D014481:United States