This site allows you to download OIG's statistical sampling program called RAT-STATS. RAT-STATS is the primary statistical audit tool used by the Office of Audit Services in DHHS. HCFA has approved RAT-STATS as a sampling tool for use by Medicare contractors. The download includes the software and the manual. Agency of Health Care Research and Quality
The National Technical Information Service is the federal government's central source for the sale of scientific, technical, engineering, and related business information produced by or for the U.S. government and complementary material from international Sources.
2.5.1 General Search
2.5.2 Correct Coding Initiative
and coding edits
2.6 OFFICE OF INSPECTOR GENERAL FOR THE DEPARTMENT OF HEALTH AND HUMAN SERVICES