SNOMED International

• January 2016 SNOMED CT International Edition: No change regarding antecedent SNOMED identifier reference set.
• July 2016 SNOMED CT International Edition: The last release to include the antecedent SNOMED identifiers for new SNOMED CT content.
• January 2017 SNOMED CT International Edition: The last release to contain the antecedent SNOMED identifier reference set.
• July 2017 SNOMED CT International Edition: The antecedent SNOMED identifier reference set will be withdrawn and no longer be available in the release.

After the antecedent SNOMED identifier reference set has been withdrawn from the International Edition, it will be made permanently available for download as a legacy SNOMED International product.