Iowa § 147.139 - 147.139 Expert witness standards.

Full text of Iowa Iowa Code § 147.139 — 147.139 Expert witness standards., with citation guidance and answers to common questions.

§ 147.139. 147.139 Expert witness standards.

If the standard of care given by a health care provider, as defined in section 147.136A, is at issue, the court shall only allow a person the plaintiff designates as an expert witness to qualify as an expert witness and to testify on the issue of the appropriate standard of care or breach of the standard of care if all of the following are established by the evidence: 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. 4. a. If the defendant is a licensed physician or osteopathic physician under chapter 148, the person is a physician or osteopathic physician licensed in this state or another state. b. If the defendant is a licensed podiatric physician under chapter 149, the person is a physician, osteopathic physician, or a podiatric physician licensed in this state or another state. 86 Acts, ch 1211, §16; 2008 Acts, ch 1088, §98; 2017 Acts, ch 107, §3, 5; 2018 Acts, ch 1172, §46 Referred to in §147.140 2017 amendment applies to causes of action that accrue on or after July 1, 2017; 2017 Acts, ch 107, §5 Wed Dec 10 22:59:44 2025 Iowa Code 2026, Section 147.139 (26, 0)

Source: official Iowa text · Last verified 2026-08-27

Frequently Asked Questions About Iowa § 147.139

What does Iowa Code § 147.139 cover?

Section 147.139 ("147.139 Expert witness standards.") is part of the Iowa Code, the codified statutory law of Iowa. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Iowa § 147.139?

A common citation format is "Iowa Code § 147.139" (Iowa). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.

Is this the official text of Iowa law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Iowa official source linked on this page or consult a licensed Iowa attorney.

How does Iowa § 147.139 apply to my situation?

Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Iowa can advise on how this section applies to you. Contact your state or local bar association for a referral.

Sources & Verification

Not legal advice. Verify against the official source and consult a licensed attorney in Iowa.