Intersection of http://hl7.org/fhir/ValueSet/observation-codes and https://ncez.mzcr.cz/terminology/ValueSet/medical-test-code
This is the ValueSet that contains codes in both LOINC Codes (http://hl7.org/fhir/ValueSet/observation-codes) and Medical Test Result Code (https://ncez.mzcr.cz/terminology/ValueSet/medical-test-code).