Public View

Universal Medical Device Nomenclature System™ (UMDNS) is a standard international nomenclature and computer coding system to help you better manage medical devices. UMDNS is the worldwide nomenclature that has been officially adopted by many nations.

The purpose of UMDNS is to facilitate identifying, processing, filing, storing, retrieving, transferring, and communicating data about medical devices. The nomenclature is used in applications ranging from hospital inventory and work-order controls to national agency medical device regulatory systems and from e-commerce and procurement to medical device databases.

Manage Your Medical Devices with UMDNS Plus

UMDNS Plus provides web-based access with monthly updates, and includes downloadable files. Learn how ECRI Institute UMDNS Plus can help you and your organization meet your goals. Call (610) 825-6000, ext. 5891 or e-mail

Need to Request a New Term?

ECRI Institute UMDNS staff will process suggestions submitted through our request form.

Copyright Notice

UMDNS is owned and copyrighted by ECRI Institute. UMDNS codes and terms may not be disseminated, reproduced, or in any way made available to any third party or be used for any commercial purpose whatsoever without the prior written consent of ECRI Institute.

 Manage your medical devices better with UMDNS Plus

UMDNS™ Plus includes monthly updates and the following downloadable files:

  • All current UMDNS preferred terms and their corresponding unique five-digit Universal Medical Device Code (UMDC)
  • All Sourcebase manufacturers and their associated six-digit code 
  • All UMDC codes associated with each manufacturer
  • All existing Concept definitions (Glossary)
  • All UMDNS Concept Relationships and entry terms (cross-references)
  • All preferred terms modified or retired since the last release of UMDNS Plus
  • The UMDNS Thesaurus in PDF format
  • The Spanish translation of UMDNS