. As researchers, advocacy groups and employers push hospitals to reveal their prices, the industry continues to cloak what it considers trade secrets. Now — in violation of federal rules demanding hospitals make those figures public six months ago — The University of Kansas Health System, Olathe Health and Children’s Mercy hospital systems still don’t publish them. They’re joined by possibly thousands of hospitals nationwide and scores in Kansas that haven’t budged since a Trump administration decision took effect on Jan. 1 requiring them to reveal prices they’ve long kept guarded. “We have not met the deadline. … I guess that makes us in violation,” a KU Health System spokesperson wrote in an email. “We are working on it.”