{description: Example value set for codes for additives to specimen (part of the container device or added to the specimen indenpendently)., package_name: hl7.fhir.uv.extensions, name: SpecimenAdditiveSubstanceCodes, type: null, package_version: 5.3.0-ballot-tc1, class: unknown, kind: null, url: 'http://hl7.org/fhir/ValueSet/specimen-additive-substance', version: 5.3.0-ballot-tc1}