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).
Generated Narrative: ValueSet 3b0b76c0-bfb6-4c54-88ed-ebc1ae8e03f7-1785