Summary
What began in 2002 as an idea to better identify the specific medical devices involved in adverse events has, over nearly 15 years, become the globally recognized concept of Unique Device Identification (UDI). This post traces UDI's evolution from a US-focused effort to a global vision now realized through the US GUDID, the EU MDR/IVDR, and growing regulatory convergence worldwide. It also previews the deeper topics ahead: labelers, accessories, kits, master data management, and global harmonization.
The term nor the concept of "unique device identification" existed before 2002.
It is hard to imagine that, what I started in 2002 as an idea to better identify the specific medical devices potentially involved in adverse events, has – over the past nearly 15 years – become the globally recognized and accepted concept of Unique Device Identification – or UDI. There were of course other concerns to address – the better identification of devices subject to a recall, availability of devices for public health emergency response, supporting anti-counterfeiting efforts, and the need to identify devices specifically in the emerging Medical Device Epidemiologic Network (MDEpiNet). But the beginning was focused on knowing specifically which device was potentially involved in an event – and having quality information about the manufacturer and the brand name – and other important information – such as how the device was on the market (e.g., its 510k or PMA number). It is hard to imagine now that we didn’t have this already.
UDI and GUDID In Review
And now looking back – it is amazing what the past 15 years has brought us. A bit more than a decade was spent working with the vast number of stakeholders to understand how UDI (and GUDID) could work and what could be its benefits – and developing what is now the UDI regulation and its associated Global UDI Database (GUDID). And though we all thought that we understood a lot – in reality, that was just the beginning. Since the publication of the final rule on September 24, 2013 – we have, sometimes painfully, continued to learn and evolve our understanding of both UDI and how it could or should work for the VERY broad (and diverse) array of medical products regulated as devices (including combination products and HCT/Ps) – and, more maybe interestingly, to address the myriad of issues that, while not directly related to UDI, sometimes significantly affect how UDI can or should be implemented.
Why UDI matters beyond the label: UDI is ultimately a data quality problem. Submitting accurate, complete device records to GUDID and maintaining them over a product's lifecycle depends on disciplined data integrity practices across your master data, labeling, and regulatory systems.
We also realized very early on that the ultimate objective was not a US based UDI system (as we have for example with pharmaceutical products with the NDC) – but rather a GLOBAL system that allowed us to have visibility across the global supply chain and be able to easily share data about the safe and effective use of devices globally. And now we are starting to realize that vision – we have the EU MDR/IVDR and its UDI requirements – as well as many other countries and regulators looking to leverage UDI to address a host of other safety, cost, and access issues. In subsequent posts we will address both the specific (e.g., labeler, accessories, kits) and the broad (master data management, GUDID, global regulatory convergence/harmonization). We look forward to the conversation and welcome any feedback or thoughts about topics.
The ultimate objective was not a US based UDI system – but rather a GLOBAL system that allowed us to have visibility across the global supply chain and easily share data about the safe and effective use of devices globally.
From a US Rule to a Global Framework
The trajectory from a single national rule to a set of overlapping international requirements is what makes UDI both powerful and operationally demanding. The same device sold into multiple markets may need to satisfy distinct database submission rules, attribute definitions, and labeling expectations. Realizing the original global vision means treating UDI not as a one-time labeling exercise but as an ongoing data and compliance program.
Four Dimensions of a Sustainable Global UDI Program
- Master data discipline: Establish a single source of truth for device attributes so that GUDID, EUDAMED, and other databases are fed consistent, governed data.
- Validated systems: The labeling, PLM, and regulatory systems that produce UDI submissions should be validated and kept in a controlled, compliant state over time.
- Regulatory convergence: Track how the EU MDR/IVDR and other jurisdictions interpret UDI so submissions stay aligned as requirements harmonize and diverge.
- Lifecycle maintenance: UDI records change as devices, labelers, accessories, and kits evolve — treat updates as a continuous obligation, not a launch-day task.
Each of these dimensions touches the same foundational capabilities life sciences teams rely on for any regulated technology effort: governed data, validated systems, and continuous oversight. Approaching the GUDID and the global UDI databases with data integrity at the center — and keeping the underlying systems in a state of continuous compliance — is what keeps UDI from becoming a perpetual remediation project. Where those systems support GxP records, established assurance practices such as Computer Software Assurance (CSA) and 21 CFR Part 11 electronic records expectations help define how they are validated and maintained.
Watch this short clip from a recent webinar discussing the global UDI landscape.
>>Watch the full-length on-demand webinar, UDI Beyond Borders
In this highlight video, see a sneak peek of Jay Crowley discussing CE Marking.
FAQ: The Global UDI Landscape
What is Unique Device Identification (UDI)?
UDI is a system for uniquely identifying medical devices through their distribution and use. It emerged from a 2002 effort to better identify the specific devices potentially involved in adverse events, and has since become a globally recognized concept supporting recall identification, public health emergency response, anti-counterfeiting, and device epidemiology.
What is GUDID?
GUDID is the Global UDI Database — the repository associated with the US UDI regulation where device information such as the manufacturer, brand name, and market authorization details (for example, a 510(k) or PMA number) are submitted and maintained.
When did the US UDI final rule take effect?
The UDI final rule was published on September 24, 2013. The years since have been spent learning and evolving how UDI applies across the broad and diverse array of medical products regulated as devices, including combination products and HCT/Ps.
Is UDI only a US requirement?
No. From the start the objective was a global system rather than a US-only one. The EU MDR/IVDR include their own UDI requirements, and many other countries and regulators are looking to leverage UDI to address safety, cost, and access issues across the global supply chain.
What makes implementing UDI globally so challenging?
A device sold into multiple markets can face distinct database submissions, attribute definitions, and labeling expectations. Sustaining compliance requires governed master data, validated systems, attention to regulatory convergence, and ongoing lifecycle maintenance — not a one-time labeling effort.
About the Author
Jay Crowley is the Vice President of the UDI Services and Solutions at USDM Life Sciences. Jay was most recently Senior Advisor for Patient Safety in the Food and Drug Administration’s Center for Devices and Radiological Health. Jay developed the framework and authored key requirements for FDA’s Unique Device Identification system.
About USDM Life Sciences
USDM Life Sciences is a global life science and healthcare services company, providing strategy and compliant technology solutions to regulated industries. If you work in Life Sciences or Healthcare, partnering with USDM Life Sciences makes it easy to accelerate innovation and maximize productivity. USDM Life Sciences only focuses on regulated industries and has built trusted partnerships with the most innovative technology companies in the world, and boast a staff of industry leading experts in the areas of technology and compliance.
Ready to Build a Sustainable UDI Program?
Whether you're submitting to GUDID, preparing for EU MDR/IVDR, or extending UDI across new markets, USDM can help you put governed data and validated systems at the center of your strategy. Contact USDM Life Sciences to talk through your global UDI roadmap.