This is the CodeSystem that contains all the codes in PDex Identifier Type (http://hl7.org/fhir/us/davinci-pdex/CodeSystem/PDexIdentifierType) and PDex Identifier Type (http://hl7.org/fhir/us/davinci-pdex/CodeSystem/PDexIdentifierType). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 3622043c-4b23-4156-8db7-869770fad33e-8
This code system http://hl7.org/fhir/comparison/CodeSystem/3622043c-4b23-4156-8db7-869770fad33e-8
defines codes, but no codes are represented here