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EXECUTIVE SUMMARY:
The objective of our analysis was to evaluate the effectiveness of Palmetto Government Benefits Administrator's claims processing system in identifying payment reductions for multiple ambulatory surgical center (ASC) procedures for calendar years 1997 through 2001. Regulations require that when multiple services are provided in the same operative session, the highest paying procedure is reimbursable at the full payment rate while the other procedures are reimbursable at one-half the normal payment rate. Our analysis showed that Palmetto Government Benefits Administrators’ systems failed to identify such instances, which resulted in provider overpayments for calendar years 1997 through 2001of approximately $647, $2,860, $8,934, $9,191, and $24,719 ($46,351), respectively. Included in the identified overpayments is approximately $10,181 in beneficiary overpayments for coinsurance. Most of the overpayments occurred because the carrier’s processing system did not identify multiple procedures performed during the same session when submitted on separate claims.