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NADAC Comparison

Published by Centers for Medicare & Medicaid Services | U.S. Department of Health & Human Services | Metadata Last Checked: February 11, 2026 | Last Modified: 2026-02-10
The NADAC Weekly Comparison identifies the drug products with current NADAC rates that are replaced with new NADAC rates. Other changes (e.g. NDC additions and terminations) to the NADAC file are not reflected in this comparison. Note: Effective Date was not recorded in the dataset until 6/7/2017

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