Union of http://hl7.org/fhir/uv/sdc/CodeSystem/observation-extract-relationship and http://hl7.org/fhir/uv/sdc/CodeSystem/observation-extract-relationship

This is the CodeSystem that contains all the codes in Observation Extract Relationship Codes (http://hl7.org/fhir/uv/sdc/CodeSystem/observation-extract-relationship) and Observation Extract Relationship Codes (http://hl7.org/fhir/uv/sdc/CodeSystem/observation-extract-relationship). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 2f8179ee-6aa5-46a0-a62f-fbd2209a2474-26

This code system http://hl7.org/fhir/comparison/CodeSystem/2f8179ee-6aa5-46a0-a62f-fbd2209a2474-26 defines codes, but no codes are represented here

CodeDisplayDefinition
component ComponentThe child item will be extracted as a component of the parent observation
member MemberThe child item will be extracted as a separate Observation and the parent Observation will point to it as a hasMember
derived DerivedThe child item will be extracted as a separate Observation and the child will have a derivedFrom relationship to the parent. (Typically the child answer will be a calculated value in this case.)
independent IndependentThe child item will be extracted as a separate Observation and there will be no relationship asserted between parent and child