This is the ValueSet that contains all the codes in US Core Survey Codes (http://hl7.org/fhir/us/core/ValueSet/us-core-survey-codes) and LOINC Codes (http://hl7.org/fhir/ValueSet/observation-codes). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: ValueSet 29cb63ae-af2d-4ae5-86af-da9da3b83fe9-68
This value set includes codes based on the following rules:
http://loinc.org
where CLASSTYPE = 4http://loinc.org
where CLASSTYPE = 2http://loinc.org
where CLASS = PANEL.NEONAThttp://loinc.org