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    PMA Supplement Types

    FDA's five-way taxonomy for post-approval PMA changes, Panel-Track, 180-Day, Real-Time, Special, and 30-Day Notice, each with distinct content and timing.

    Reviewed by Christian Espinosa, Founder, Blue Goat CyberLast reviewed June 20, 2026

    Definition

    After PMA approval, manufacturers must submit a PMA Supplement for most changes to the device, manufacturing, or labeling. FDA recognizes five supplement types: (1) Panel-Track Supplement for significant changes affecting safety or effectiveness, with a new clinical or expert panel review; (2) 180-Day Supplement for major changes evaluated within a 180-day review goal; (3) Real-Time Supplement for minor changes reviewed in a scheduled meeting; (4) Special PMA Supplement (Changes Being Effected) for specific manufacturing or labeling changes that can be implemented while FDA reviews; (5) 30-Day Notice for manufacturing process changes meeting predefined criteria.
    What the regulation says
    21 CFR 814.39 governs PMA supplements. FDA's 'Modifications to Devices Subject to Premarket Approval' guidance walks through supplement-type selection logic.

    What this means in practice

    Choosing the right supplement type is one of the highest-leverage regulatory decisions for a PMA device. A Panel-Track supplement may take 12-18 months; a 30-Day Notice clears in 30 days if criteria are met. The 30-Day Notice pathway in particular is powerful for manufacturing optimization but is gated by very specific eligibility criteria. The annual PMA report (separate from supplements) covers minor changes that don't require any supplement.
    Common pitfalls
    • Defaulting to a 180-Day Supplement when a 30-Day Notice would suffice, wastes 5 months unnecessarily.
    • Treating Special PMA Supplements (CBE) as universally applicable, they are restricted to specific change types defined in 21 CFR 814.39(d).
    • Letting changes accumulate into an annual report when individually they crossed the supplement threshold.
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    Primary references

    3 sources
    Link health: 3 verified· last checked 2026-06-20
    eCFR·1FDA·1IMDRF·1
    1. 1
      21 CFR 814.39 - PMA Supplements
      Verified
      eCFRecfr.gov
    2. 2
      Modifications to Devices Subject to PMA Guidance
      Verified
      FDAfda.gov
    3. 3
      IMDRF Documents
      Verified
      IMDRFimdrf.org

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