Union of http://hl7.org/fhir/tools/CodeSystem/binding-style and http://hl7.org/fhir/tools/CodeSystem/binding-style

This is the CodeSystem that contains all the codes in Vocab Binding Style Codes (http://hl7.org/fhir/tools/CodeSystem/binding-style) and Vocab Binding Style Codes (http://hl7.org/fhir/tools/CodeSystem/binding-style). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 7b8b0d03-3aea-4de3-afd0-a144a03560c4-17

This code system http://hl7.org/fhir/comparison/CodeSystem/7b8b0d03-3aea-4de3-afd0-a144a03560c4-17 defines codes, but no codes are represented here

CodeDisplayDefinition
FHIR FHIRBinding uses system(uri)+version+code+display (or just code or for Quantity, system+code+unit). This is the default for the FHIR Tools
RIM RIMBinding uses codeSystem(oid)+codeSystemName+codeSystemVersion+valueSet+valueSetVersion+code+displayName
CDA CDABinding uses codeSystem(oid)+codeSystemName+codeSystemVersion+sdtcValueSet+sdtcValueSetVersion+code+displayName
V2 v2Value is to CNE/CWE types as defined in V2 R2.8
openEHR openEHRBinding is to openEHR DV_CODED_TEXT (?)