HCFA updates, clarifies ambulance coverage requirements.
D000368:Aged; D000552:Ambulances / Q000191:economics*; D014487:Centers for Medicare and Medicaid Services, U.S.; D005245:Fee Schedules; D006291:Health Policy; D006801:Humans; D019458:Insurance Coverage / Q000331:legislation & jurisprudence; D006278:Medicare / Q000331:legislation & jurisprudence / Q000592:standards*; D012866:Skilled Nursing Facilities / Q000191:economics*; D014187:Transportation of Patients / Q000191:economics; D014481:United States