description: This profile defines how to represent Specimen Additive Substances in HL7 FHIR for the purpose of this guide. package_name: hl7.fhir.cz.core derivation: constraint name: CZ_SpecimenAdditiveSubstance type: Substance elements: code: binding: {strength: preferred, valueSet: 'https://ncez.mzcr.cz/terminology/ValueSet/cz-specimenAdditive'} index: 0 package_version: 1.0.0 class: profile kind: resource url: https://hl7.cz/fhir/core/StructureDefinition/Substance-additive-cz base: http://hl7.org/fhir/StructureDefinition/Substance version: 1.0.0