Intersection of http://hl7.org/fhir/ValueSet/observation-codes and http://hl7.org/fhir/ValueSet/observation-codes-observationorboth
This is the ValueSet that contains codes in both LOINC Codes (http://hl7.org/fhir/ValueSet/observation-codes) and LOINC codes with Observation or Both (http://hl7.org/fhir/ValueSet/observation-codes-observationorboth).