title: Most frequently billed Medicare DRGs. Ranked by 2005 Medicare patient discharges.
mesh_terms: D000368:Aged; D003953:Diagnosis-Related Groups / Q000145:classification* / Q000191:economics; D019538:Health Care Surveys; D017721:Hospital Costs; D006801:Humans; D006278:Medicare / Q000191:economics / Q000706:statistics & numerical data*; D011445:Prospective Payment System; D014481:United States