This code system http://www.iana.org/assignments/media-types defines many codes, but they are not represented here

 <status value="retired"/> <experimental value="false"/> <date value="2021-11-09T10:00:00+10:00"/> <publisher value="TBD - External Body"/> <description value="IETF MIME media types"/> <caseSensitive value="true"/> <content value="not-present"/> </CodeSystem>