title: [GOÄ: special services to be billed alongside counseling].
authors.forename: Gerd W
authors.initials: GW
authors.lastname: Zimmermann
mesh_terms: D059019:Clinical Coding / Q000191:economics; D005251:Fees, Medical; D005858:Germany; D009313:National Health Programs / Q000191:economics*; D012017:Referral and Consultation / Q000191:economics*; D012051:Reimbursement Mechanisms / Q000191:economics*