Iowa Code Title IV. Public Health [Chs. 123-158] § 147.139. Expert witness standards

1. The person is licensed to practice in the same or a substantially similar field as the defendant, is in good standing in each state of licensure, and in the five years preceding the act or omission alleged to be negligent, has not had a license in any state revoked or suspended.

2. In the five years preceding the act or omission alleged to be negligent, the person actively practiced in the same or a substantially similar field as the defendant or was a qualified instructor at an accredited university in the same field as the defendant.

3. If the defendant is board-certified in a specialty, the person is certified in the same or a substantially similar specialty by a board recognized by the American board of medical specialties, the American osteopathic association, or the council on podiatric medical education.