Section 09.20.185 - Expert witness qualification(a) In an action based on professional negligence, a person may not testify as an expert witness on the issue of the appropriate standard of care unless the witness is (1) a professional who is licensed in this state or in another state or country;(2) trained and experienced in the same discipline or school of practice as the defendant or in an area directly related to a matter at issue; and(3) certified by a board recognized by the state as having acknowledged expertise and training directly related to the particular field or matter at issue.(b) The provisions of (a) of this section do not apply if the state has not recognized a board that has certified the witness in the particular field or matter at issue.