'Top 50' CPT codes help to predict overall costs.
D000043:Abstracting and Indexing; D003363:Cost Control / Q000379:methods; D017048:Health Care Costs; D006801:Humans; D008329:Managed Care Programs / Q000191:economics*; D013812:Therapeutics / Q000145:classification / Q000191:economics*; D014481:United States