title: Trade groups ask for delay in implementation of PPS refinements.
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D006278:Medicare / Q000331:legislation & jurisprudence; D009936:Organizational Innovation; D011445:Prospective Payment System / Q000331:legislation & jurisprudence / Q000458:organization & administration*; D012866:Skilled Nursing Facilities / Q000191:economics* / Q000331:legislation & jurisprudence; D012952:Societies; D013997:Time Factors; D014481:United States