Final answer:
The Correct Coding Initiative (CCI) was introduced to reduce Medicare spending by detecting inappropriate coding on claims.
Step-by-step explanation:
The initiative introduced to reduce Medicare spending by detecting inappropriate coding on claims is the Correct Coding Initiative (CCI). This initiative was introduced by the Centers for Medicare and Medicaid Services (CMS) to promote correct coding methodologies and prevent improper payments. It focuses on identifying and correcting coding errors, such as unbundling or upcoding, which can lead to overpayment.