This code system http://terminology.hl7.org/CodeSystem/v3-hc-aigc defines many codes, but they are not represented here

 <status value="active"/> <experimental value="false"/> <date value="2021-03-22T00:00:00-04:00"/> <publisher value="Health Canada"/> <contact> <name value="Health Canada"/> </contact> <description value="Part of the active ingredient code number starting at position 3 and ending at position 7. Further information about this Code System can be found at https://www.canada.ca/en/health-canada/services/drugs-health-products/drug-products/drug-product-database/terminology.html"/> <caseSensitive value="false"/> <content value="not-present"/> </CodeSystem>