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SNOMED CT International Edition

Download SNOMED CT International Edition releases and related international files from this page. Click on the file name to see more information and to download the release file. NLM distributes the SNOMED CT International Edition and derivatives to licensed individuals via the UMLS Terminology Services. Please see the Licensing page to learn more about licensing and how to register to obtain an Affiliate License.

Please note - The US Edition provides a single source of SNOMED CT content for use in the United States. The SNOMED CT US Edition is a standalone release that contains the content of both the US Extension and the International Editions of SNOMED CT.

For older versions of all SNOMED CT Releases see the Archives page.

For the latest planned changes to upcoming SNOMED CT International Release packages, see the Early Visibility Release Notice page.

Current International Edition Release

NOTE: For the latest SNOMED CT SARS-CoV-2/COVID-19 content, see: http://snomed.org/covid-19

Version: December 2023

Release Date: December 1, 2023

SNOMED CT terminology provides a common language that enables a consistent way of indexing, storing, retrieving, and aggregating clinical data across specialties and sites of care. The release notes provide a summarized description of the content changes included in the December 2023 release.

Download RF2 Files Now!Download Release Notes

Online version of Release Notes

MD5 hash for RF2 package:

aad4a087a61e49d950c4c6d3386eeedf

Announcement - Changes to the International Edition Release Schedule

Plan to move the International Monthly release date to the first of each month

After consultation with the community, SNOMED International will be changing the dates of the International Edition from the end of each month, to the first of each month. This will mean that in addition to all of the other months, the “January” release would move from 31st January to the 1st January, and the “July” release would move from 31st July to 1st July each year. The July 2023 International Edition will therefore be the final Release to be published at the end of the month.

Further details of this plan can be found in the Q&A blog post below, however if you have any concerns please provide feedback to release@snomed.org as soon as possible.


Version: September 2023 SNOMED CT Spanish Edition

Versión Septiembre 2023 de la Edición en Español de SNOMED CT

Release Date: 2023-09-30

Download Spanish Edition Files Now (version 20230930)

Download Release NotesView Starter Guide

Online version of Release Notes

MD5 hash for RF2 package:

a8fc30a504960ce9e5adc956368f49ce

Please Note: The IHTSDO may be notified of users who download SNOMED CT from non-Member countries.

Previous SNOMED CT International Monthly Release Files

Version: November 2023

Release Date: November 1, 2023

SNOMED CT terminology provides a common language that enables a consistent way of indexing, storing, retrieving, and aggregating clinical data across specialties and sites of care. The release notes provide a summarized description of the content changes included in the November 2023 release.

Download RF2 Files Now!Download Release Notes

Online version of Release Notes

MD5 hash for RF2 package:

47dfe66e4c4e7c987afbc66dbf8eb587


Version: October 2023

Release Date: October 1, 2023

SNOMED CT terminology provides a common language that enables a consistent way of indexing, storing, retrieving, and aggregating clinical data across specialties and sites of care. The release notes provide a summarized description of the content changes included in the October 2023 release.

Download RF2 Files Now!Download Release Notes

Online version of Release Notes

MD5 hash for RF2 package:

e9b47b0441b088677f53eb32859bd8d0


Version: September 2023

Release Date: September 1, 2023

SNOMED CT terminology provides a common language that enables a consistent way of indexing, storing, retrieving, and aggregating clinical data across specialties and sites of care. The release notes provide a summarized description of the content changes included in the September 2023 release.

Download RF2 Files Now!Download Release Notes

Online version of Release Notes

MD5 hash for RF2 package:

7653a55837d46c19cc409e03bd177ee6


Version: July 2023

Release Date: July 31, 2023

SNOMED CT terminology provides a common language that enables a consistent way of indexing, storing, retrieving, and aggregating clinical data across specialties and sites of care. The release notes provide a summarized description of the content changes included in the July 2023 release.

Download RF2 Files Now!Download Release Notes

Online version of Release Notes

MD5 hash for RF2 package:

40b41592849fab3f2b06be4c1265c746


Version: June 2023

Release Date: June 30, 2023

SNOMED CT terminology provides a common language that enables a consistent way of indexing, storing, retrieving, and aggregating clinical data across specialties and sites of care. The release notes provide a summarized description of the content changes included in the June 2023 release.

Download RF2 Files Now!Download Release Notes

Online version of Release Notes

MD5 hash for RF2 package:

7d7182f0704d31f205eca2295995864e


Version: May 2023

Release Date: May 26, 2023

SNOMED CT terminology provides a common language that enables a consistent way of indexing, storing, retrieving, and aggregating clinical data across specialties and sites of care. The release notes provide a summarized description of the content changes included in the May 2023 release.

Download RF2 Files Now!Download Release Notes

Online version of Release Notes

MD5 hash for RF2 package:

05a841b9480958e11f8cbe2c72ade951


Version: April 2023

Release Date: April 28, 2023

SNOMED CT terminology provides a common language that enables a consistent way of indexing, storing, retrieving, and aggregating clinical data across specialties and sites of care. The release notes provide a summarized description of the content changes included in the April 2023 release.

Download RF2 Files Now!Download Release Notes

Online version of Release Notes

MD5 hash for RF2 package:

0290ad7f6e431063166afd91cd2b8c37


Version: March 2023

Release Date: March 31, 2023

SNOMED CT terminology provides a common language that enables a consistent way of indexing, storing, retrieving, and aggregating clinical data across specialties and sites of care. The release notes provide a summarized description of the content changes included in the March 2023 release.

Download RF2 Files Now!Download Release Notes

Online version of Release Notes

MD5 hash for RF2 package:

539d2389dfd3da43b26b244d3cdc666d


Version: February 2023

Release Date: February 28, 2023

SNOMED CT terminology provides a common language that enables a consistent way of indexing, storing, retrieving, and aggregating clinical data across specialties and sites of care. The release notes provide a summarized description of the content changes included in the February 2023 release.

Download RF2 Files Now!Download Release Notes

Online version of Release Notes

MD5 hash for RF2 package:

21613f1efa32c2d8a04c873b95d908c0


Version: January 2023

Release Date: January 31, 2023

SNOMED CT terminology provides a common language that enables a consistent way of indexing, storing, retrieving, and aggregating clinical data across specialties and sites of care. The release notes provide a summarized description of the content changes included in the January 2023 release.

Download RF2 Files Now!Download Release Notes

Online version of Release Notes

MD5 hash for RF2 package:

2e231dc0a03c0444a195191e72296b98


Additional SNOMED CT International Release Files

Version: May 2023

Release Date: 2023-05-26

This is the Production release of the May 2023 EDQM Dose Forms to SNOMED CT Map package.

This package is provided in Release Format 2 (RF2) format only. It is dependent upon the SNOMED CT January 2023 International Edition, and so should be consumed and analysed accordingly.

For more information please refer to the release notes, which can either be downloaded from this repository, or accessed online here: EDQM Dose Forms to SNOMED CT Map package PRODUCTION Release Notes - May 2023

Download EDQM Dose Forms to SNOMED CT Map package

Download Release NotesView Release Notes

MD5 hash for RF2 package:

f6822ec7fe923c7df02412ecc8378a10

Version: April 2023

Release Date: 2023-04-28

This is the Production release of the April 2023 SNOMED CT MedDRA Simple Map package.

This package is provided in Release Format 2 (RF2) format only. It is dependent upon the SNOMED CT January 2023 International Edition, and so should be consumed and analysed accordingly.

For more information please refer to the release notes, which can either be downloaded from this repository, or accessed online here: SNOMED CT MedDRA Simple Map Release Notes - April 2023

Download SNOMED CT MedDRA Simple Map Package

Download Release NotesView Release Notes

MD5 hash for RF2 package:

dd8f9fa8ff069f532f894619f4b1405d

Version: July 2023

Release Date: 2023-10-23

This is the Production release of the July 2023 SNOMED CT Orphanet Map package.

This package is provided in Release Format 2 (RF2) format only. It is dependent upon the SNOMED CT July 2023 International Edition, and so should be consumed and analysed accordingly.

For more information please refer to the release notes, which can either be downloaded from this repository, or accessed online here: SNOMED CT Orphanet Map package Release Notes - July 2023

Download SNOMED CT Orphanet Map package

Download Release NotesView Release Notes

MD5 hash for RF2 package:

94c19f01c314fb047c7895e326db8ad6

Version: July 2022

Release Date: 2022-11-07

This is the Production release of the July 2022 ICNP SNOMED CT Nursing Practice Refset package.

This package is provided in Release Format 2 (RF2) format only. It is dependent upon the SNOMED CT July 2022 International Edition, and so should be consumed and analysed accordingly.

For more information please refer to the release notes, which can either be downloaded from this repository, or accessed online here: SNOMED CT ICNP Nursing Practice Refset Release Notes - July 2022

Download SNOMED CT ICNP Nursing Practice Refset

Download Release NotesView Release Notes

MD5 hash for RF2 package:

c7dc0229c07d614c1a74a7d1f4af7cb6

Version: July 2023 v1.0

Release Date: 2023-10-26

This is the Production release of the July 2023 SNOMED CT International Patient Set (IPS) Refset.

This package is provided in Release Format 2 (RF2) format only. It is dependent upon the SNOMED CT July 2023 International Edition, and so should be consumed and analysed accordingly.

For more information please refer to the release notes, which can either be downloaded from this repository, or accessed online here: SNOMED CT International Patient Set (IPS) Release Notes - July 2023

Download SNOMED CT International Patient Set (IPS) RefsetDownload Release Notes

MD5 hash for RF2 package:

adbbdc2bf4d2863c7e2fc8fcde474fca

Version: July 2023 v1.0

Release Date: 2023-11-06


The SNOMED CT General Dentistry Diagnostic refset package contains the SNOMED CT General Dentistry refset of diagnostic terms, designed to provide dentistry with an easy to implement set of terms that covers the vast majority of care provided in the dental field.

This is the Production release of the July 2023 SNOMED CT General Dentistry Diagnostic refset package.

This package is provided in Release Format 2 (RF2) format only. It is dependent upon the SNOMED CT July 2023 International Edition, and so should be consumed and analysed accordingly.

For more information please refer to the release notes, which can either be downloaded from this repository, or accessed online here: SNOMED CT General Dentistry Diagnostic refset package Release Notes - July 2023


Download SNOMED CT General Dentistry Diagnostic Refset (Version 20231031)

Download SNOMED CT General Dentistry Diagnostic Release NotesView Release Notes

MD5 hash for RF2 package:

b594ed03809d3ff6bb670f96fa109fd0

Version: July 2023 v1.0

Release Date: 2023-11-10


This package contains the SNOMED CT Odontogram refset, which includes a set of SNOMED CT content from the International Release - primarily terms from four of the SNOMED CT hierarchies:

  1. Procedures
  2. Body Structures
  3. Findings
  4. Disorders

For those who are starting to implement SNOMED CT in Dentistry, you should be aware that SNOMED CT contains a large amount of content relevant to the profession. An additional related product is the SNOMED CT General Dentistry Diagnostic refset package.

This is the Production release of the July 2023 SNOMED CT Odontogram refset package.

This package is provided in Release Format 2 (RF2) format only. It is dependent upon the SNOMED CT July 2023 International Edition, and so should be consumed and analysed accordingly.

For more information please refer to the release notes, which can either be downloaded from this repository, or accessed online here: SNOMED CT Odontogram refset package Release Notes - July 2023


Download SNOMED CT Odontogram Refset (Version 20231031)

Download SNOMED CT Odontogram Release NotesView Release Notes

MD5 hash for RF2 package:

dd0cf4b65e5bd622c3bfe63b07c87530

Version: July 2022 v1.0

Release Date: 2022-11-09


This is the Production release of the July 2022 SNOMED CT International General/Family Practice subset (GP/FP Subset). This release is resulting work from the harmonization agreement between the IHTSDO and WONCA.

The version of SNOMED CT used is the July 2022 International Edition release.


Please note: SNOMED International and WONCA have decided to deprecate the SNOMED CT to ICPC-2 map. SNOMED International have therefore inactivated all ICPC-2 map records in the current release package, ceased publishing the ICPC-2 release notes, and removed references to ICPC-2 in package naming conventions. Please contact info@snomed.org with any questions, comments, or concerns.


Download GP/FP Release

Download GP/FP-SNOMED CT Release NotesView GP/FP-SNOMED CT Release Notes

MD5 hash for RF2 package:

59d9e4a1dec0c59c6967b4bdad0bf344

Version: July 2021 v1.0

Release Date: 2021-10-29


This is the Production release of the July 2021 SNOMED CT Nursing Activities refset package.

This package is provided in Release Format 2 (RF2) format only. It is dependent upon the SNOMED CT July 2021 International Edition, and so should be consumed and analysed accordingly.

For more information please refer to the release notes, which can either be downloaded from this repository, or accessed online here: SNOMED CT Nursing Activities Reference Set Release Notes - July 2021


Download SNOMED CT Nursing Activities Refset

Download Release NotesView Release Notes

MD5 hash for RF2 package:

e6960ad63731c4572b9ef629039a0687

Version: July 2021 v1.0

Release Date: 2021-10-29


This is the Production release of the July 2021 SNOMED CT Nursing Health Issues refset package.

This package is provided in Release Format 2 (RF2) format only. It is dependent upon the SNOMED CT July 2021 International Edition, and so should be consumed and analysed accordingly.

For more information please refer to the release notes, which can either be downloaded from this repository, or accessed online here: SNOMED CT Nursing Health Issues Reference Set Release Notes - July 2021


Download SNOMED CT Nursing Health Issues Refset

Download Release NotesView Release Notes

MD5 hash for RF2 package:

663af6a48874670c2d3f2afb129dcc95

Version: July 2018 v1.0

Release Date: 2018-09-26


This is the Production release of the July 2018 ICNP to SNOMED CT (Interventions) package.

This package is provided in Release Format 2 (RF2) format only. It is dependent upon the SNOMED CT July 2018 International Edition, and so should be consumed and analysed accordingly.

For more information please refer to the release notes, which can either be downloaded from this repository, or accessed online here: ICNP to SNOMED CT (Interventions) Equivalency Table Release Notes - July 2018

Download ICNP to SNOMED CT (Interventions) Equivalency Table

Download Release NotesView Release Notes

MD5 hash for RF2 package:

c99463977bdf4102275ba22ba2c6834a

Version: July 2018 v1.0

Release Date: 2018-09-26

This is the Production release of the July 2018 ICNP to SNOMED CT (Diagnoses) package.

This package is provided in Release Format 2 (RF2) format only. It is dependent upon the SNOMED CT July 2018 International Edition, and so should be consumed and analysed accordingly.

For more information please refer to the release notes, which can either be downloaded from this repository, or accessed online here: ICNP to SNOMED CT (Diagnoses) Equivalency Table Release Notes - July 2018

Download ICNP to SNOMED CT (Diagnoses) Equivalency Table

Download Release NotesView Release Notes

MD5 hash for RF2 package:

545269a9baa335abc4e9ed3d200b037b

Release Date: August 2017

Release Notes: This release contains two content files: a LOINC Term to SNOMED CT Expression Reference Set and a LOINC Part to SNOMED CT Reference Set. The Beta content is release under the 715515008 | LOINC - SNOMED CT Cooperation Project module with concept identifiers from the 220170731 version of the International release of SNOMED CT and Version 2.58 of LOINC released December 2016.

Please Note: This release is distributed for evaluation purposes only and should not be used in production clinical systems or in the clinical setting.

Download SNOMED CT - LOINC Beta Release (Version 20170831)

Download SNOMED CT - LOINC Release Release Notes

Release Date: February 2017

This package contains the SNOMED CT International Edition concept model represented using RF2 reference sets. In addition to the four new MRCM refsets, the Beta release package also contains various files (Concept, Description, etc) containing supporting content from the prospective July 2017 SNOMED CT International Edition. These are provided in order to aid the consumption and analysis of the MRCM refsets, and should not be used for any other purpose.

Please Note: This supporting content is provisional, and can not be considered final until July 31st 2017. It should therefore not be used in any Production systems and should be used only in test systems to aid the evaluation of the MRCM refsets.

Download MRCM RefsetDownload Release Notes

Permanent Packages were previously included in the SNOMED CT International Edition Release Format 1 (RF1) distribution. Because the files do not change from one release to the next, as of January 2015, the files have been made permanently available to IHTSDO Member National Release Centers and Affiliate Licensees via Internet download. They are no longer included in the International Edition.

Go to the SNOMED CT Release Permanent Packages page

Older versions of SNOMED CT International and US Edition release sources are still made available for research or historical purposes. To obtain deprecated or older versions of SNOMED CT releases, please visit NLM SNOMED CT Archives page:

Go to the Archives page

Additional Information

Terms of use for SNOMED CT are contained in Appendix 2, SNOMED CT Affiliate Licence Agreement, of the License for Use of the UMLS Metathesaurus.

NLM also distributes SNOMED CT through the UMLS Metathesaurus.

See the SNOMED CT main page for more information about SNOMED CT activities at NLM.

Last Reviewed: June 30, 2023