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Unified Medical Language System® (UMLS®)

SNOMED CT ® International Release Files

Download SNOMED CT International Releases and related international files from this page. Click on the file name to see more information and to download the release file.

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

For older versions of the SNOMED CT Release see the Archives page.


Current SNOMED CT International Release Files

January 2015
RF2 Release (385 MB)
RF1 Release (160.16 MB)
SnomedCT_RF1CompatibilityPackage_INT_20150131.zip (201.859 MB)

April 2015
SNOMED CT Edición en Español (154 MB)


Additional SNOMED CT International Release Files

Human Readable version of LOINC-SNOMED CT Cooperative Project Technology Preview, January 2015

Download LinkRelease DateRelease NotesFile Size
SnomedCT_LOINC_TechnologyPreview_HumanReadable_INT_20140926.zip January 2015

A new human readable version of Technology Preview release is now available and the IHTSDO is requesting feedback on the LOINC-SNOMED CT Cooperative Project Technology Preview. This Technology Preview does not represent a set of data ready for clinical use within a system and has been made available at this time for review and evaluation purposes only. Thus, this release should not be used in production clinical systems or in clinical settings. Deadline for feedback is February 28, 2015 via the online feedback from.

0.98 MB

Kaiser Permanente Starter Reference Set Technology Preview, October 2014

Download LinkRelease DateRelease NotesFile Size
SnomedCT_KPStarterReferenceSets_TechnologyPreview_INT_20141031.zip October 2014

This Technology Preview is for evaluation by interested participants in the IHTSDO Community of Practice and feedback on the Technology Preview can be submitted directly to the IHTSDO with ‘Kaiser Permanente Starter Reference Sets’ in the subject line.

0.452 MB

LOINC - SNOMED Cooperation Project Technology Preview, September 2014

Download LinkRelease DateRelease NotesFile Size
SnomedCT_LOINC_TechnologyPreview_INT_20140926.zip September 2014

The LOINC – SNOMED Cooperation Project Technology Preview release is the baseline work release resulting from a cooperative agreement between the Regenstrief Institute and the IHTSDO.

This Technology Preview does not represent a set of data ready for clinical use within a system and has been made available at this time for review and evaluation purposes only. Thus, this release should not be used in production clinical systems or in clinical settings.

6.34 MB

Candidate Baseline of GP/FP Reference Sets and SNOMED CT to ICPC2 Maps, October 2014

Download LinkRelease DateRelease NotesFile Size
SnomedCT_GPFPICPC2CandidateBaseline_INT_20140930.zip October 2014

The SNOMED CT International General/Family Practice subset (GP/FP Subset) and map from the GP/FP Subset to the International Classification of Primary Care (ICPC-2). This is the baseline work release resulting from the harmonization agreement between the IHTSDO and WONCA.

Please note that use within clinical systems cannot be supported at this time. This Candidate Baseline is distributed for evaluation purposes only and should not be used in production clinical systems or in clinical settings.

This is an updated file, made available November 25, 2014.

1.25 MB

Additional Information