UDI: 101

January 20, 2023

302 GMDP-header

What is UDI? Why is it important, and what does the implementation of UDI look like? If you don’t know, you probably should start learning, and in today’s episode, you’ll hear from two guests with UDI experience. You’ll learn a lot about UDI and learn where to find some fantastic resources that can increase your knowledge.

Laura Maher and Brittani Smith are both Medical Device Gurus and Greenlight Gurus. Their jobs involve guiding companies through regulations and quality requirements and challenges unique to MedTech companies and medical device professionals, and UDI is among those challenges. Both Brittani and Laura bring a wealth of experience and knowledge to the topic.

Listen to the episode to learn the difference between device identifiers and product identifiers, the process of getting a UDI and applying it, then going on with the registration process, and how to think about the UDI requirements that are coming into effect.

Listen now:

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Some of the highlights of this episode include:

  • What UDI is and the difference between the device identifier and the product identifier

  • Physical applications of UDI

  • The leading zeros and what they mean for packaging

  • The process flow of getting the UDI, applying the UDI, and registering the device

  • Challenges with bar code verification

  • Tips for manufacturers going through UDI implementation

  • Uploading to GUDID

  • Why the UDI requirement is in place

  • The different acronyms involved in UDI

  • The importance of finding and using the resources available to you


Brittani Smith LinkedIn

Laura Maher LinkedIn


UDI with Gary Saner

Greenlight Guru Ultimate Guide to UDI

Etienne Nichols LinkedIn

MedTech Excellence Community

Greenlight Guru Academy

Greenlight Guru

Memorable quotes from this episode:

FDA doesn’t set a specification for what your bar code quality should be, but depending on who you’re using, your GS1 specifically, they have standards for what the quality of their bar code should be.” –Laura Maher

“Just like Laura, I became a little bit of a UDI expert at the company, just because I got to learn the ins and the outs of it.” –Brittani Smith

“You’ve got to be careful about contrast and the color that you’re using for your bar code.” –Laura Maher

“For your surgeons and your patients, the end users, the biggest thing is safety.” -Brittani Smith

About the Global Medical Device Podcast:


The Global Medical Device Podcast powered by Greenlight Guru is where today's brightest minds in the medical device industry go to get their most useful and actionable insider knowledge, direct from some of the world's leading medical device experts and companies.

Like this episode? Subscribe today on iTunes or Spotify.

Etienne Nichols is a Medical Device Guru and Mechanical Engineer who loves learning and teaching how systems work together. He has both manufacturing and product development experience, even aiding in the development of combination drug-delivery devices, from startup to Fortune 500 companies and holds a Project...

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