Union of http://terminology.hl7.org/CodeSystem/time-period-ranges and http://terminology.hl7.org/CodeSystem/time-period-ranges

This is the CodeSystem that contains all the codes in Time Period Ranges (http://terminology.hl7.org/CodeSystem/time-period-ranges) and Time Period Ranges (http://terminology.hl7.org/CodeSystem/time-period-ranges). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 307062cf-3328-47a5-98c4-9e03a40cc5cb-851

This code system http://hl7.org/fhir/comparison/CodeSystem/307062cf-3328-47a5-98c4-9e03a40cc5cb-851 defines codes, but no codes are represented here

Code