340B Ceiling Price and Unit Rebate Amount

A drug's 340B ceiling price and Medicaid unit rebate amount.

Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.

Example

Drug category
Single source or innovator multiple source
Average manufacturer price per unit, prior quarter
10 USD
Best price per unit
8.5 USD

Result: Unit rebate amount $2.310000; 340B ceiling price $7.690000 per unit, published as $7.69.

The tool opens with these values already filled in. Replace them with your own.

What you enter

  • Drug category
  • Average manufacturer price per unit, prior quarter
  • Best price per unit (brand drugs)
  • Baseline AMP per unit
  • Baseline CPI-U
  • CPI-U for the month before the quarter
  • Year of the rebate quarter
  • Units per package
How this is calculated

Citation

42 U.S.C. 1396r-8(c): brand rebate the greater of AMP minus best price or 23.1% of AMP (17.1% clotting factor or pediatric-only), generics 13%, each plus the CPI-U inflation rebate; the 100% of AMP cap ended in 2024. 42 CFR 10.10: ceiling = AMP minus URA; $0.01 floor. Read the source ↗

A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.

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Built by Clay Good. Source on GitHub.