CPT coding changes for 2001.
D000043:Abstracting and Indexing; D005568:Forms and Records Control / Q000145:classification*; D006801:Humans; D007344:Insurance Claim Reporting / Q000145:classification*; D006278:Medicare; D009936:Organizational Innovation; D010338:Pathology, Clinical / Q000145:classification / Q000191:economics*; D014481:United States