title: ICD-9 changes: it's time to tend to your superbill.
authors.affiliation: AAFP, USA.
authors.forename: Cindy
authors.initials: C
authors.lastname: Hughes
mesh_terms: D005194:Family Practice / Q000191:economics / Q000458:organization & administration; D005249:Fees and Charges / Q000145:classification*; D038801:International Classification of Diseases; D014481:United States