This code system http://hl7.org/fhir/sid/cvx defines many codes, but they are not represented here

 <status value="retired"/> <experimental value="false"/> <date value="2020-10-04"/> <publisher value="HL7, Inc"/> <contact> <telecom> <system value="url"/> <value value="http://www.hl7.org/"/> </telecom> </contact> <description value="Table of codes specifying the administered vaccines. The values are maintained by the US Centers of Disease Control. The code system is maintained by the CDC, and may be found at URL; https://phinvads.cdc.gov/vads/ViewCodeSystem.action?id=2.16.840.1.113883.12.292 The value set is maintained by the CDC and may be found at URL: https://phinvads.cdc.gov/vads/ViewValueSet.action?id=ABDEE003-77C3-48E7-B941-EBF92B6B81FC Please reference http://build.fhir.org/ig/HL7/UTG/CodeSystem-CVX for the current CVX code system."/> <purpose value="Underlying Master Code System for V2 table 0292 (Vaccines Administered)"/> <copyright value="Copyright HL7. Licensed under creative commons public domain"/> <caseSensitive value="true"/> <valueSet value="http://terminology.hl7.org/ValueSet/v2-0292"/> <hierarchyMeaning value="is-a"/> <compositional value="false"/> <versionNeeded value="false"/> <content value="not-present"/> </CodeSystem>