12-2601. Definitions In this article, unless the context otherwise requires: 1. ' Claim' means a legal cause of action except for actions relating to health care under sections 12-561 through 12-563 of this title or under title 46, chapter 4 or an affirmative defense to which all of the following apply: (a) The claim is asserted against a licensed professional in a complaint, answer, cross-claim, counterclaim or third party complaint. (b) The claim is based on the licensed professional's alleged breach of contract, negligence, misconduct, errors or omissions in rendering professional services. (c) Expert testimony is necessary to prove the licensed professional's standard of care or liability for the claim. 2. ' Expert' means a person who is qualified by knowledge, skill, experience, training or education to express an opinion regarding a licensed professional's standard of care or liability for the claim. 3. ' Licensed professional' means a person, corporation, professional corporation, partnership, limited liability company, limited liability partnership or other entity that is licensed by this state to practice a profession or occupation under title 20 or 32 or that is admitted n, partnership, limited liability company, limited liability partnership or other entity that is licensed by this state to practice a profession or occupation under title 20 or 32 or that is admitted to the state bar.
Arizona Legal Code