(June 13, 2016, 2:43 PM EDT) -- MADISON, Wis. — Humana Insurance Co. improperly caps reimbursement for dialysis at $30,000 in violation of the Patient Protection and Affordable Care Act (ACA), a medical provider claims in a June 10 complaint in Wisconsin federal court (Fresenius Medical Care Midwest Dialysis LLC, et al. v. Humana Insurance Co., et al., No. 16-711, E.D. Wis.)....