CMS recently issued Medicaid Drug Rebate Program Release No. 176 regarding value-based purchasing ("VBP") arrangements. Among other things, the notice responds to manufacturers' questions regarding how VBP arrangements, which often include price reductions and the provision of services to payers, affect a drug's best price for Medicaid reporting and rebate purposes. Generally speaking, "best price" is the lowest price available from a manufacturer, including applicable discounts, rebates, and other arrangements (e.g., services) that lower the effective price paid for a drug. When applicable, a manufacturer must report a drug's best price on a quarterly basis and use the value in calculating any rebates that are due under the Medicaid Drug Rebate Program.

In the notice, CMS stated that a VBP arrangement's impact on a drug's best price will vary based on the structure of the VBP arrangement. CMS also provided an email address manufacturers can use to contact its CMCS Division of Pharmacy with questions regarding specific VBP arrangements. CMS plans to publish subsequent guidance with answers and lessons learned from common questions and arrangements.

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