The FDA's new Quality Management System Regulation (QMSR), which replaces the 21 CFR Part 820 Quality System Regulation (QSR) and incorporates ISO 13485:2016 by reference, represents a significant harmonization effort in the medical device industry. While viewed by some as a mere streamlining, the change is mandatory, with an effective and fully enforceable date of February 2, 2026. The episode addresses industry complacency and details critical steps manufacturers must take immediately.
The episode debunks the myth that familiar quality documents like the DHF, DMR, and DHR are being eliminated. While the specific terms are removed from the regulation's language, their substance is retained and mapped to new, ISO-aligned conceptual requirements: the Device Master Record (DMR) becomes the Medical Device File (MDF), the Design History File (DHF) becomes the Design and Development File (DDP), and the Device History Record (DHR) is captured in the Batch or Lot Record. The host emphasizes that internal documents can retain the old terminology, provided a clear regulatory mapping is established.
Crucially, compliance requires more than just an ISO 13485 certificate. Two major philosophical shifts must be addressed: the explicit requirement for integrating lifecycle risk management as the DNA of the entire QMS, and the loss of the audit privilege, which makes internal audit reports, supplier audit reports, and management review records inspectable regulatory evidence. Furthermore, manufacturers must comply with retained, US-specific requirements under the QMSR's prevalence rule, especially concerning mandatory record content (§ 820.35) and specific labeling and packaging controls (§ 820.45).
"Your internal audit reports, your management review minutes, if you were expecting to keep those shielded from any outside eyes, they are now inspectable regulatory evidence." - Etienne Nichols
What is the "Prevalence Rule"?
The Prevalence Rule is a key concept in the new Quality Management System Regulation (QMSR) that clarifies which set of rules takes priority. Since the FDA is incorporating the international standard ISO 13485:2016 by reference, a conflict could arise between the ISO standard and existing U.S. law. The Prevalence Rule dictates that in any area of conflict, the U.S. Federal Food, Drug, and Cosmetic Act (FD&C Act) and its implementing regulations (like those retained in 21 CFR Part 820) will always supersede the ISO 13485 requirement. Think of it like a recipe: ISO 13485 is the main set of instructions, but the retained 21 CFR sections are non-negotiable, mandatory additions or modifications that must be followed regardless of what the main instructions say. This is why mere ISO certification does not guarantee QMSR compliance.
This episode is brought to you by Greenlight Guru. As the medical device industry faces the significant shift to the QMSR, your QMS needs to be audit-ready and easy to update. Greenlight Guru offers an all-in-one MedTech lifecycle excellence platform with specialized QMS and EDC solutions. Our electronic Quality Management System (eQMS) is built to facilitate the traceability and document control necessary to manage the new ISO-aligned terminology and retained FDA requirements, while our Electronic Data Capture (EDC) software helps manage high-quality data for clinical trials. Don't let scattered documentation hold you back from the February 2026 deadline. Visit www.greenlight.guru to learn how we can help you streamline your quality system and get back to innovating.
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