JEFFERSON CITY, Mo. - A Missouri federal judge on Jan. 23 granted a motion for preliminary injunction, enjoining the enforcement of Missouri's Health Insurance Market Innovation Act (HIMIA) as it applies to entities and individuals certified under federal law to provide services or perform functions pursuant to the Patient Protection and Affordable Care Act (PPACA) (St. Louis Effort for Aids, et al. v. John Huff, director of the Missouri Department of Insurance, Financial Institutions and Professional Registration, No. 13-4246, W.D. Mo.; 2014 U.S. Dist. LEXIS 8187).