title: 2013 "heads-up": code changes.
authors.affiliation: Kathleen D. Schaum & Associates, Inc, Lake Worth, Florida, USA. kathleendschaum@bellsouth.net
authors.forename: Kathleen D
authors.initials: KD
authors.lastname: Schaum
mesh_terms: D039702:Current Procedural Terminology; D006801:Humans; D012051:Reimbursement Mechanisms; D012883:Skin Ulcer / Q000145:classification / Q000628:therapy*