The National Average Drug Acquisition Cost (NADAC) is the approximate invoice price pharmacies pay for medications in the United States. [1] This applies to chain and independent pharmacies but not mail order and specialty pharmacies. [1] Rebates pharmacies may receive after paying an invoice are not included. [1] The NADAC data is calculated by the Centers for Medicare and Medicaid Services. [1]
It was created in 2012. [2]
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