title: Gundersen Health System studies effect of modifier 22 on reimbursement for complex operations.
authors.forename: Benjamin T
authors.initials: BT
authors.lastname: Jarman
authors.forename: Erynn M
authors.initials: EM
authors.lastname: Georgieff
authors.forename: Kara J
authors.initials: KJ
authors.lastname: Kallies
authors.forename: Michelle A
authors.initials: MA
authors.lastname: Mathiason
mesh_terms: D059019:Clinical Coding / Q000379:methods*; D039702:Current Procedural Terminology; D007349:Insurance, Health, Reimbursement; D019982:Organizational Case Studies; D013514:Surgical Procedures, Operative / Q000145:classification* / Q000191:economics; D014922:Wisconsin