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AI tools in hospital coding may raise U.S. healthcare costs, insurer analysis says

An insurance industry analysis said wider use of AI medical coding tools in hospitals could be pushing up U.S. healthcare costs. It said hospitals increasingly classify patients as medically more complex, leading to about $942 million in additional spending over two years. The analysis found no corresponding change in the treatment provided. About 70 percent of the added costs were tied to secondary diagnoses beyond the main reason for admission.