Patient groups supporting people with end-stage renal disease (ESRD) are incensed over a CMS rule out Monday that they say goes beyond pushing for greater transparency and instead grants health plans the power to reject coverage for ESRD patients receiving assistance from third-party payers. At least one group, Dialysis Patient Citizens, is eying legal action and potential use of the Congressional Review Act to overturn the interim final rule, which goes into effect in 30 days. Several non-profit entities either...