MedTech Terms
    The authoritative reference
    All terms
    ReimbursementHospital Buyer & ReimbursementIPPS

    Inpatient Prospective Payment System

    Medicare's payment system for inpatient hospital stays.

    Reviewed by Christian Espinosa, Founder, Blue Goat CyberLast reviewed May 5, 2026

    Definition

    IPPS pays acute-care hospitals a predetermined rate per discharge based on the assigned MS-DRG. The annual IPPS rule updates rates, NTAPs, and DRG reassignments - closely watched by MedTech. The IPPS proposed rule is usually released in April, with the final rule around August and changes taking effect on October 1, the start of the federal fiscal year. Payment is the DRG relative weight multiplied by a standardized amount, adjusted for local wages and add-ons such as teaching and disproportionate share payments. Outlier payments cover unusually costly cases.
    What the regulation says
    The Inpatient Prospective Payment System (IPPS) is a Medicare payment system for acute care hospitals, established by the Centers for Medicare and Medicaid Services (CMS). It sets predetermined payment rates for inpatient stays based on Diagnosis-Related Groups (DRGs), as outlined in 42 CFR Part 412, Subpart D. Each year, CMS publishes a proposed and then a final rule updating payment rates, policies, and DRG classifications, which directly impacts hospital reimbursement for services, including those utilizing MedTech products.

    What this means in practice

    Comments to the annual IPPS proposed rule are a key advocacy lever for new device coverage and payment.

    Examples

    • A MedTech company develops a novel surgical implant, and successful advocacy during the IPPS rulemaking process leads to its inclusion in an existing MS-DRG with an appropriate weighting, ensuring adequate hospital reimbursement.
    • A new diagnostic imaging device receives a New Technology Add-on Payment (NTAP) designation, providing hospitals with additional reimbursement for its use in qualifying cases for a limited period.
    • A hospital meticulously documents the severity of a patient's condition and the specific procedures performed, leading to assignment to a higher-paying MS-DRG for a complex MedTech-enabled surgery.
    Common pitfalls
    • •Hospitals might not fully understand the specific documentation requirements for optimal MS-DRG assignment, potentially leading to under-reimbursement.
    • •MedTech manufacturers may over-estimate the impact of a new technology add-on payment (NTAP) without considering the broader IPPS payment structure.
    • •Failing to engage in the annual IPPS rulemaking process can result in missed opportunities for advocating for appropriate reimbursement of innovative devices.
    • •Misinterpreting the nuances of DRG assignments can lead to inaccurate financial forecasting for MedTech products used in inpatient settings.

    Frequently asked questions

    IPPS directly influences the adoption and market access of MedTech products by determining how much hospitals are reimbursed for procedures where these devices are used. Favorable DRG assignments or New Technology Add-on Payments (NTAPs) can significantly improve product uptake.

    Related terms

    Grouped by theme
    Cited by

    Where this term appears across MedTech Terms.

    Sources

    3 sources

    Every citation below opens the original document. Each is graded against our source-tier hierarchy so you can see what rests on binding law versus commentary.

    Tier 2Regulator guidance and consensus· 1Tier 4Trade press and expert commentary· 2
    Link health: 3 verified· last checked 2026-06-20
    CMS·1AMA·1AdvaMed·1
    1. 1
      CMS IPPS
      Tier 2 Verified
      CMScms.gov
    2. 2
      AMA CPT Resources
      Tier 4 Verified
      AMAama-assn.org
    3. 3
      AdvaMed - Payment & Coverage
      Tier 4 Verified
      AdvaMedadvamed.org

    Inline markers like [1] jump to the matching reference above.