Intersection of http://hl7.org/fhir/ValueSet/observation-codes and https://healthterminologies.gov.au/fhir/ValueSet/spia-pathology-reporting-1
This is the ValueSet that contains codes in both LOINC Codes (http://hl7.org/fhir/ValueSet/observation-codes) and RCPA SPIA Pathology Reporting (https://healthterminologies.gov.au/fhir/ValueSet/spia-pathology-reporting-1).