This code system http://hl7.org/fhir/sid/icpc-2 defines codes, but no codes are represented here

 <status value="retired"/> <experimental value="false"/> <date value="2021-11-09T10:00:00+10:00"/> <publisher value="TBD - External Body"/> <description value="International Classification of Primary Care / prepared by the Classification Committee of the World Organization of National Colleges, Academies and Academic Associations of General Practitioners/Family Physicians (WONCA), known more briefly as the World"/> <caseSensitive value="true"/> <content value="not-present"/> </CodeSystem>