http://hl7.org/fhir/StructureDefinition/coding-conformance|5.2.0

Declares a profile that required the specific coding to be included in a list of Codings because of the binding. This allows reading applications to identify particular codings without processing the systems.
typedestination
baseDefinitionhttp://hl7.org/fhir/StructureDefinition/Extension
typehttp://hl7.org/fhir/StructureDefinition/Extension
Extension.value[x].typehttp://hl7.org/fhir/StructureDefinition/canonical
Extension.value[x].targetProfilehttp://hl7.org/fhir/StructureDefinition/StructureDefinition