(April 26, 2017, 1:52 PM EDT) -- DES MOINES, Iowa — Iowa state law does not require insurers to compensate chiropractors at the same rate as other medical professionals and would be preempted by ERISA if it did, the Iowa Supreme Court held April 21 (Lyle H. Abbas, et al. v. Iowa Insurance Division, Wellmark Inc., et al., No. 15-1248, Iowa Sup., 2017 Iowa Sup. LEXIS 39)....