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Medical device manufacturers

Danish manufacturers of medical devices are increasingly required to comply with a range of regulatory requirements regarding labelling and the exchange of master data.

We help you understand GS1 standards and advise you on how to use a GS1ID to create a UDI and Basic UDI-DI for your medical device products. In addition, we have developed GS1 UDI Link, which you can use to submit master data to regulatory databases.

Get started sharing master data via GDSN

Regions, medico-manufacturers and GS1 Denmark have agreed on a common Danish data model for medical devices. Now the next step is to adopt the model and start exchanging master data digitally via GDSN.

The goal is to do away with manual exchanges in Excel and PDF and instead share structured product data directly between suppliers and regions. It provides a common data base, higher data quality and less manual work throughout the value chain.

At GS1 Denmark we help you get started. Our healthcare team advises both suppliers and regions on the data model, the GDSN and the practical steps towards automatic data sharing.

To læger sidder på en bænk med medicinske dokumenter og en tablet, mens fire andre læger går forbi i bevægelse.
EU-flag med 12 gule stjerner i en ring over teksten EUDAMED og stiliserede bølgede linjer på en blå baggrund.

Automate your reporting to EUDAMED

Are you ready for the requirement to register medical devices in the European database EUDAMED from 28 May 2026?

With our UDI connector, GS1 UDI Link, you can save time and resources by automating your reporting through data sharing via GS1Trade Sync.

The connector can also help you submit data to GUDID and other medical device registries.

UDI deadlines for medical devices

Do you manufacture medical devices under the MDR or IVDR? Then your product must have a UDI. The requirement for when your UDI must appear in barcode form depends on the device’s risk class.

Here is a brief overview of the key deadlines for implementing Unique Device Identification (UDI) in accordance with the EU regulations.

Assignment of UDI

  • In Vitro Diagnostic Equipment (IVDR): May 26, 2022
  • Medical Devices (MDR): May 26, 2021

Medical Equipment (MDR)

  • Class I equipment: May 26, 2025
  • Class IIa and IIb equipment: May 26, 2023
  • Implantable and Class III Equipment: May 26, 2021

In Vitro Diagnostic Equipment (IVDR)

  • Class A: May 26, 2027
  • Classes C and B: May 26, 2025
  • Class D: May 26, 2023

Need help on how to form your UDI and get it encoded in a barcode? Then we are ready to help and offer a free course.

How GS1 creates value in the healthcare sector

When products arrive at a hospital, it is essential that they can be identified. The GS1 barcode provides the product with a globally unique identification—an identification that is crucial for the supply chain, traceability, and patient safety.

Watch this short e-learning animation about a patient pathway and the importance of product identification, and see how the barcode is used for improved inventory management, increased traceability, and fast recalls.

How can GS1 standards and services be used?

UDI

On 26 May 2021, the EU Medical Device Regulation entered into force, introducing new requirements for manufacturers.

One of these requirements is that medical devices must have a UDI (Unique Device Identification). The UDI is used to uniquely identify medical devices and ensure traceability throughout the supply chain.A UDI consists of the product’s Device Identifier (DI) and its Production Identifiers (PI).

You create your UDI-DI using a GS1ID, which you can purchase via My GS1.

Read more about UDI

Basic UDI-DI

The EU Medical Device Regulation requires that medical devices have a Basic UDI-DI.The Basic UDI-DI does not identify a single specific product, but rather a group of products with the same essential characteristics.It must be registered in the EU’s medical device database, EUDAMED, and appear on relevant certificates and in the EU Declaration of Conformity.

You create your Basic UDI-DI using a GS1ID, which you can purchase via My GS1.

Read more about Basis UDI-DI

EUDAMED & GUDID

If you sell medical devices in the EU or the USA, you must submit the product’s master data to the EU’s medical device database, EUDAMED, or the U.S. database, GUDID.

For both databases, you are required to provide data such as the product’s UDI-DI, quantity per package, product description, and whether the product has a serial number.If you have many products to register, this can be a time-consuming and complex process. GS1 can help ensure efficient submission. The products’ master data is registered in GS1Trade Sync and transmitted electronically via our solution, GS1 UDI Link.

Read more about GS1 UDI Link

Let GS1Trade Sync streamline your data exchange

Radiometer sender en PDF til Modtager 1, en Excel-fil til Modtager 2, og et andet Excel-ark til Modtager 3 via pile.

From manual handling of product data

Do you manage your product data manually? Then you know how time-consuming it is to provide a separate sheet or form—often containing much of the same information—to each individual recipient.You are also familiar with the risk of data errors and missing information when making updates and following up to ensure that recipients have received and are using the latest data.

Diagram showing Radiometer database connecting to three groups: mdt, sailing group, and GUDID with arrows.

For efficient exchange of product data

If you use GS1Trade Sync instead - our Danish system for data exchange via GDSN—you only need to enter your data in one place and can efficiently exchange and maintain it.This ensures that all your recipients always have access to the latest and most reliable product data—while saving you time. Læs mere om GDSN

Easy exchange of data across borders via ECHO

At GS1 Denmark, we focus on making cross-border data exchange as simple as possible. We therefore collaborate with several EU countries to harmonise data requirements across borders and standardise the way data is exchanged within the EU.

A common dataset, named ECHO, will make the process easier for both manufacturers and hospitals by aligning medical device product data across all participating countries.

If, as a supplier, you already provide data to your Danish customers via GS1Trade Sync, GS1 Denmark’s GDSN data pool, you will be able to easily exchange the same data with other EU countries—saving both time and resources.

GS1 Webinars

Free courses and webinars about medical devices

We regularly offer courses and webinars on our standards and services relevant to medical device manufacturers.

Look at our courses and sign up
Sundhedspersonale iført blå kirurgisk tøj og blå engangshue justerer sit ID-badge.

Spørgsmål og svar

Hvad er Basic UDI-DI?

Udvid ikon - en mørkeblå cirkel med et mørkeblåt plus indenisammenfold ikon - en mørkeblå cirkel med et mørkeblåt minus indeni

Basic UDI-DI er hovednøglen i EU-databasen EUDAMED og på relevant dokumentation (fx certifikater, overensstemmelseserklæring, teknisk dokumentation og resumé af sikkerhed og klinisk ydeevne).

Basic UDI-DI identificerer ikke ét specifikt produkt, men en klynge af produkter med samme essentielle karakteristika, og forbinder enheder med samme tilsigtede formål, risikoklasse og væsentlige design- og fremstillingskarakteristika.

Læs mere om UDI og Basic UDI-DI.

Skal produktets UDI og Basic UDI-DI registreres hos GS1?

Udvid ikon - en mørkeblå cirkel med et mørkeblåt plus indenisammenfold ikon - en mørkeblå cirkel med et mørkeblåt minus indeni

Nej. For medicinsk udstyr, der sælges til EU-markedet, skal Basic UDI-DI og UDI ikke registreres hos GS1, men det skal registreres i den europæiske database EUDAMED.

For medicinsk udstyr, der sælges til USA, skal produktets UDI registreres i FDA's database GUDID.

Hvordan danner jeg en UDI og Basic UDI-DI?

Udvid ikon - en mørkeblå cirkel med et mørkeblåt plus indenisammenfold ikon - en mørkeblå cirkel med et mørkeblåt minus indeni

Begge numre dannes med det GS1ID, som du køber under din medlemsprofil på Mit GS1.

Når du køber et GS1ID, får du et GS1-præfiks, som er unikt for din virksomhed, og som kan bruges til at danne produkt-UDI og Basic UDI-DI.

Læs mere om UDI og Basic UDI-DI.

Hvor mange produktnumre har jeg brug for?

Udvid ikon - en mørkeblå cirkel med et mørkeblåt plus indenisammenfold ikon - en mørkeblå cirkel med et mørkeblåt minus indeni

Det afhænger af, hvor mange unikke produkter du har. Du kan via Mit GS1 købe pakker af forskellige størrelser, alt efter hvor mange globalt unikke produktnumre (GTINs) du har brug for at danne. Når du beslutter, hvor mange GTINs du har brug for, skal du overveje, at forskellige varianter af produkterne skal have deres eget nummer.

Her er et par eksempler:

Et blåt produkt kan ikke have det samme nummer som et gult produkt.

Et produkt i str. small skal ikke havde samme nummer som et produkt i str. medium.

En pakke med 10 stk. skal ikke havde det samme nummer som en pakke med 100 stk.

Et produkt der leveres med danske instruktioner, skal ikke have det samme nummer som et produkt, der leveres med engelske instruktioner etc.

Hvad er forskellen på UDI og Basic UDI-DI?

Udvid ikon - en mørkeblå cirkel med et mørkeblåt plus indenisammenfold ikon - en mørkeblå cirkel med et mørkeblåt minus indeni

UDI er mærkning på produktniveau, mens Basic UDI-DI identificerer en klynge af produkter med samme essentielle karakteristika og forbinder enheder med samme tilsigtede formål, risikoklasse og væsentlige design- og fremstillingskarakteristika.

Hvis du for eksempel producerer handsker i str. small, medium og large, vil hver størrelse få hver deres individuelle UDI, mens produktgruppen får samme Basic UDI-DI.

Læs mere om UDI og Basic UDI-DI.

Skal mit produkt have ny UDI-DI/GTIN, hvis jeg laver ændringer på produktet eller pakningen?

Udvid ikon - en mørkeblå cirkel med et mørkeblåt plus indenisammenfold ikon - en mørkeblå cirkel med et mørkeblåt minus indeni

Det afhænger af typen af ændringen. Har ændringen betydningen for nogen af leddene i forsyningskæden, vil produktet skulle have en ny UDI-DI/GTIN.

Du kan læse mere om, hvad du skal være opmærksom på, og hvilke ændringer der kan betyde, at du skal tildele dit produkt en ny UDI-DI/GTIN på vores side om GS1 Healthcare GTIN Allocation Rules Standard.

Læs mere om reglerne for tildeling.

Hvordan beregner jeg et kontrolciffer for UDI-DI/GTIN?

Udvid ikon - en mørkeblå cirkel med et mørkeblåt plus indenisammenfold ikon - en mørkeblå cirkel med et mørkeblåt minus indeni

Det sidste ciffer i en UDI-DI/GTIN er et kontrolciffer, som beregnes ud fra de foranstående cifre. Kontrolcifferet bruges som kontrol af både nummeret og stregkoden.

Vi har en gratis kontrolcifferberegner, du kan benytte til at beregne dit kontrolciffer. Du vælger blot nummertypen, noterer nummeret og beregner kontrolcifferet. Nummertypen for en UDI-DI vil være et GTIN 14.

Benyt vores beregner af kontrolfciffer.

Hvordan beregner jeg kontrolkarakterparret for en Basic UDI-DI?

Udvid ikon - en mørkeblå cirkel med et mørkeblåt plus indenisammenfold ikon - en mørkeblå cirkel med et mørkeblåt minus indeni

De sidste to karakterer i en Basic UDI-DI er kontrolkarakterer, som beregnes ud fra de foranstående cifre/karakterer.

Beregn kontrolkarakterparret.

Stay up to date on legislation, GS1 standards, and much more within medical devices.

Help and advice

If you have questions about how to use our GS1 standards, you can receive help and guidance every day.

We are ready to guide you smoothly through the process.

Send us an email

Then we will answer you as soon as possible:

sundhed@gs1.dk

Anne Marie Lei
Head of Public & Healthcare / Public Affairs
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+45 39 16 90 13
Jesper Kervin Franke
Senior Healthcare and Standard Specialist
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+45 39 16 90 02
Camilla Aabye Jensen
Senior Healthcare Specialist
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+45 33 60 37 76
See how we can help you