SNOMED CT MedDRA Simple Map package is now available

The Production release of the SNOMED CT MedDRA Simple Map package is now available. This release is dependent upon and should therefore be consumed in conjunction with the January 2024 SNOMED CT International Edition.

SNOMED International and ICH/MedDRA MSSO, together with regulatory and industry partners, developed the SNOMED CT to MedDRA and MedDRA to SNOMED CT maps as part of the WEB-RADR 2 project, funded by the EU’s Innovative Medicines Initiative (IMI). For full details, please see the Release Notes linked below.

All files distributed for this release are available from the “January 2024 PRODUCTION Release v1.0” version in the “SNOMED CT MedDRA Simple Map package” project, which can be found on the “SNOMED Releases” page in MLDS, accessed here. (please ensure that you login to MLDS first).

mlds.ihtsdotools.org/#/ihtsdoReleases

For access to MLDS please request here

The SNOMED CT MedDRA Simple Map release is distributed in a zipped archive file in the official RF2 format as follows:

SnomedCT_SNOMEDMedDRAMapPackage_PRODUCTION_20240430T120000Z.zip

In line with the SNOMED International packaging guidelines, the Release Notes have been separated from the release package, and so can be downloaded as distinct files from the same MLDS release version. The Release Notes can also be accessed online:

confluence.ihtsdotools.org/display/RMT/SNOMED+CT+MedDRA+Simple+Map+package+Release+Notes+-+January+2024

If you have any questions about the SNOMED CT MedDRA Simple Map package Production release, or have difficulties downloading the files, please contact SNOMED International at This email address is being protected from spambots. You need JavaScript enabled to view it. with “2024 SNOMED CT MedDRA Simple Map package Production release question” in the subject line.


Please  contact us if you have questions about accessing MLDS for downloading the map package.