title: How to code for observation services.
authors.forename: Betsy
authors.initials: B
authors.lastname: Nicoletti
mesh_terms: D000553:Ambulatory Care / Q000145:classification / Q000191:economics; D039702:Current Procedural Terminology; D006801:Humans; D007344:Insurance Claim Reporting / Q000145:classification*; D008499:Medical Records / Q000145:classification*; D019370:Observation; D011216:Practice Management, Medical / Q000191:economics*; D014481:United States