Intersection of http://hl7.org/fhir/ValueSet/specimen-additive-substance and http://hl7.org/fhir/ValueSet/specimen-additive-substance
This is the ValueSet that contains codes in both Specimen Additive Substance Codes (http://hl7.org/fhir/ValueSet/specimen-additive-substance) and Specimen Additive Substance Codes (http://hl7.org/fhir/ValueSet/specimen-additive-substance).