--- title: "IMDRF, Definition | MedTech Terms" description: "International Medical Device Regulators Forum. 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[Home](/) 2. / 3. [Terms](/terms) 4. / 5. [Regulatory](/terms?cat=Regulatory) 6. / 7. IMDRF [All terms](/terms) Regulatory [Regulated Pathways](/ecosystems/regulated-pathways)[Global Markets](/ecosystems/global-markets) # IMDRF International Medical Device Regulators Forum. Reviewed by [Christian Espinosa, Founder, Blue Goat Cyber](/authors/christian-espinosa) Last reviewed May 5, 2026 ## Definition IMDRF is a voluntary group of medical device regulators that work together to harmonize medical device regulation globally, building on the foundation of the Global Harmonization Task Force (GHTF). What the regulation says The International Medical Device Regulators Forum (IMDRF) aims to accelerate international medical device regulatory harmonization and convergence. Its work products, such as guidance documents, inform regulatory approaches worldwide, for instance influencing the FDA's perspective on specific topics or serving as foundational principles for the [EU Medical Device Regulation](/terms/mdr) ( [MDR](/terms/mdr-reporting)) where applicable. While not a regulatory body itself, its consensually developed guidance can be adopted or adapted by national regulators. ## What this means in practice Many widely adopted concepts - [SaMD](/terms/samd) risk categorization, [MDSAP](/terms/mdsap), [UDI](/terms/udi) principles - originated in IMDRF working groups. ## Examples - A manufacturer designing a new Software as a Medical Device (SaMD) could consult IMDRF guidance on SaMD risk categorization to anticipate regulatory expectations in multiple markets. - A company seeking to expand into several countries might utilize the Medical Device Single Audit Program (MDSAP), an IMDRF initiative, to streamline their audit process across participating jurisdictions. - When developing unique device identification (UDI) systems, a manufacturer would refer to IMDRF principles that underpin UDI requirements globally, including those in the EU MDR and by the FDA. Common pitfalls - • A common pitfall is misunderstanding IMDRF documents as legally binding regulations rather than voluntary guidance. - • Another mistake is assuming immediate, universal adoption of all IMDRF guidance by every national regulator. - • Failing to recognize that IMDRF contributions often form the basis for later national or regional regulatory frameworks can lead to a lack of proactive planning. ## Frequently asked questions How does IMDRF differ from GHTF? IMDRF succeeded the Global Harmonization Task Force (GHTF) in 2011, building on its foundational work. IMDRF has a more structured management committee and a commitment from regulators to implement harmonized guidance. Are IMDRF guidance documents legally binding? What is the practical impact of IMDRF for device manufacturers? ## Related terms Grouped by theme ### Editor's picks · Hand-selected related concepts [ Quality & Risk Medical Device Single Audit Program(MDSAP) Single audit of a manufacturer's QMS satisfying multiple participating regulators. ](/terms/mdsap)[ Software & AI Software as a Medical Device(SaMD) Software intended for medical purposes that performs without being part of a hardware device. ](/terms/samd) ### More in Regulatory · Same category [ Regulatory 510(k) Premarket Notification(510(k)) FDA submission demonstrating a device is substantially equivalent to a legally marketed predicate. ](/terms/510k)[ Regulatory 510(k) Summary vs 510(k) Statement Two alternative disclosure mechanisms in a 510(k) submission, a Summary is public on FDA's website; a Statement promises to share Safety & Effectiveness info on request. ](/terms/510k-summary-vs-statement)[ Regulatory 513(g) Request for Information(513(g)) Formal mechanism to ask FDA whether a product is a device and, if so, its likely classification. ](/terms/513g)[ Regulatory Abbreviated 510(k) 510(k) variant that relies on FDA guidance, special controls, or recognized consensus standards. ](/terms/abbreviated-510k) Cited by Where this term appears across MedTech Terms. Ecosystems (2) - [Regulated Pathways](/ecosystems/regulated-pathways) - [Global Markets](/ecosystems/global-markets) ## Primary references 3 sources Link health: 3 verified · last checked 2026-06-20 IMDRF· 1 FDA· 1 European Commission· 1 1. [1 IMDRF Verified IMDRF · imdrf.org ](https://www.imdrf.org/) 2. [2 FDA - Medical Devices Verified FDA · fda.gov ](https://www.fda.gov/medical-devices) 3. [3 European Commission - Medical Devices Verified European Commission · health.ec.europa.eu ](https://health.ec.europa.eu/medical-devices-sector_en) Inline markers like \[1\] jump to the matching reference above. Sponsor note ### Navigating an FDA or EU MDR submission? Blue Goat Cyber supports the cybersecurity content of premarket submissions, from threat models to the 524B narrative. [Book a 30-minute discovery session](https://go.bluegoatcyber.com/meetings/blue-goat-cyber/discovery-session) - No obligation - Expert-led from minute one - NDA available on request MedTech Terms is a community resource sponsored by [Blue Goat Cyber](https://bluegoatcyber.com). Definitions are independent of any vendor. On this term Category Regulatory Sources 3 Updated 5/5/2026 [Compare with another term](/compare?a=imdrf) Learn in 60 seconds Card Lesson Quiz International Medical Device Regulators Forum. - · Many widely adopted concepts - SaMD risk categorization, MDSAP, UDI principles - originated in IMDRF working groups. Remember this Watch out: A common pitfall is misunderstanding IMDRF documents as legally binding regulations rather than voluntary guidance. Related terms - [Medical Device Single Audit Program(MDSAP) ](/terms/mdsap) - [Software as a Medical Device(SaMD) ](/terms/samd) You may also need Auto-suggested from Regulatory and shared keywords. - [IMDRF Principles and Practices for Medical Device Cybersecurity ](/terms/imdrf-cyber-principles) - [Health Industry Cybersecurity Practices(HICP) ](/terms/hicp) - [EU In Vitro Diagnostic Regulation(IVDR) ](/terms/ivdr) - [Accreditation Scheme for Conformity Assessment(ASCA) ](/terms/asca) - [AI Act Prohibited Practices ](/terms/ai-act-prohibited-practices) - [Device Master File(MAF) ](/terms/device-master-file) [All Regulatory terms](/terms?cat=Regulatory) From the Blue Goat network Related resources and services on this topic. - [ MedTech Cybersecurity Crosswalk International crosswalk of medical device cybersecurity requirements across regulators. ](https://mdccrosswalk.com) - [ MedTech Cybersecurity Standards Authoritative reference for the standards and guidances behind medical device cybersecurity. ](https://medtechcyberstandards.com) - [ MedTech Truths Common misconceptions about medical device development - debunked. ](https://mdcmisconceptions.com) - [ MedTech Launchpad MedTech funding rounds, accelerators, and launch resources. ](https://medtechlaunchguide.com) MedTech Terms An authoritative, plain-language reference for the regulatory, quality, cybersecurity, and software terms that shape modern medical devices. 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