To use SNOMED CT in software application, you need either an Affiliate License or an End-User Sub-license issued by the IHTSDO Affiliate who provided the software application. The requirement for a license applies wherever SNOMED CT is used. However, charges for use of SNOMED CT vary according to where and how SNOMED CT is used.
The following sections provide more information about obtaining a license and the situations in which payments are required for use in non-Member territories. Full details are provided in the Affiliate License Agreement.
To learn about the advantages of implementing SNOMED CT as part of an electronic health record or other healthcare application click here.
The IHTSDO has published guidance on the licensing implications of web-based and other publicly available software or services that incorporate, or provide access to SNOMED CT®. If you provide or use such a service, please click here to read more.
To obtain an Affiliate License in an IHTSDO Member country, click on the country name in the list to the right of this page. On the page for the selected country you will find details of an Affiliate License Contact for that country.
The Affiliate License Contact link will provide further details of how to access the International Release of SNOMED CT and will inform you of any additional materials or conditions relevant for use within that country.
The IHTSDO Affiliate License is a click-through license, which requires you to accept the conditions for use prior to accessing SNOMED CT. Most Member countries provide SNOMED CT free of charge to users, although some may charge a small fee for cost recovery.
Note: If you already have an IHTSDO Affiliate License from another Member country, it is a world-wide license, but there may be additional extensions or local modifications in other countries. As a result, we recommend that you contact the Affiliate License Contact for that country. To do this use the Member country links to the right of this page.
See also a flow chart on how to become an Affiliate Licensee in a Member country.
If you already have an IHTSDO Affiliate License from a Member Country, it is a world-wide license. Otherwise, please obtain an IHTSDO Affiliate License from the SNOMED CT Affiliate License Service Application (SALSA). SALSA also provides a mechanism for accessing SNOMED CT release files once you are licensed.
Once you have an IHTSDO Affiliate License you will be contacted regularly (usually every 6 months) and required to report your use of SNOMED CT in non-Member territories. IHTSDO will then invoice you for any applicable license fees.
Note: IHTSDO Affiliate Licensees may also grant sub-licenses to end users, such as hospitals or clinics, so that they can use products that incorporate SNOMED CT. IHTSDO Affiliate Licensees are report and pay license fees for use by their sub-licensees in non-Member territories.
For more details, please see the Affiliate License.
The exemptions described below are specific to particular countries and/or specific agreements issued to qualifying projects. Affiliate Licenses and/or End-User Licenses continue to be required. To apply for an Affiliate License in a non-Member Territory please click here.
IHTSDO permits licensees to use of SNOMED CT free of charge in the 40 countries categorized as low income economies by the World Bank (please see the list here).
Contact us at info@ for further details. ihtsdo.org
IHTSDO also offers exemptions from License Fees for qualifying research projects, qualifying humanitarian/charitable use, and developers of freely available open source software tools as part of the SNOMED CT Open Health Tools Charter Project. For details, please see this page.
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