OIG recommended that the FDA conduct frequent reviews of the NDC Directory to ensure its accuracy and thoroughness, and work with the Centers for Medicare & Medicaid Services and Congress to create legislative or regulatory changes that force drug makers to list all approved products with FDA before they're eligible for Medicaid payments.
In its formal response to the audit, FDA said it generally agreed with the OIG's recommendations, and had already begun implementing several initiatives to evaluate and enhance the quality of drug listing data.
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