Union of http://hl7.eu/fhir/laboratory/StructureDefinition/Substance-additive-eu-lab and http://hl7.eu/fhir/laboratory/StructureDefinition/Substance-additive-eu-lab

This is the set of resources that conform to either of the profiles Substance: Specimen Additive Substance (http://hl7.eu/fhir/laboratory/StructureDefinition/Substance-additive-eu-lab) and Substance: Specimen Additive Substance (http://hl7.eu/fhir/laboratory/StructureDefinition/Substance-additive-eu-lab). E.g. what you have to deal with if you get resources conforming to one of them

Structure

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Substance 0..*A homogeneous material with a definite composition
Substance.meta This element is included in summaries. 0..1MetaMetadata about the resource
Substance.implicitRules This element is a modifier element. This element is included in summaries. 0..1uriA set of rules under which this content was created
Substance.language 0..1codeLanguage of the resource content
Binding: ?? (preferred): A human language.
Substance.text 0..1NarrativeText summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
Substance.contained 0..*ResourceContained, inline Resources
Substance.extension 0..*ExtensionAdditional content defined by implementations
Substance.modifierExtension This element is a modifier element. 0..*ExtensionExtensions that cannot be ignored
Substance.identifier This element is included in summaries. 0..*IdentifierUnique identifier
Substance.status This element is a modifier element. This element is included in summaries. 0..1codeactive | inactive | entered-in-error
Binding: ?? (required): A code to indicate if the substance is actively used.
Substance.category This element is included in summaries. 0..*CodeableConceptWhat class/type of substance this is
Binding: ?? (extensible): Category or classification of substance.
Substance.code This element is included in summaries. 1..1CodeableConceptWhat substance this is
Binding: ?? (preferred)
Substance.description This element is included in summaries. 0..1stringTextual description of the substance, comments
Substance.instance This element is included in summaries. 0..*BackboneElementIf this describes a specific package/container of the substance
Substance.instance.extension 0..*ExtensionAdditional content defined by implementations
Substance.instance.modifierExtension This element is a modifier element. This element is included in summaries. 0..*ExtensionExtensions that cannot be ignored even if unrecognized
Substance.instance.identifier This element is included in summaries. 0..1IdentifierIdentifier of the package/container
Substance.instance.expiry This element is included in summaries. 0..1dateTimeWhen no longer valid to use
Substance.instance.quantity This element is included in summaries. 0..1?? The snapshot does not say whether the constraints on the root of this type profile have been applied to this element, so assume they have not. Check the type profile directly as wellAmount of substance in the package
Substance.ingredient This element is included in summaries. 0..*BackboneElementComposition information about the substance
Substance.ingredient.extension 0..*ExtensionAdditional content defined by implementations
Substance.ingredient.modifierExtension This element is a modifier element. This element is included in summaries. 0..*ExtensionExtensions that cannot be ignored even if unrecognized
Substance.ingredient.quantity This element is included in summaries. 0..1RatioOptional amount (concentration)
Substance.ingredient.substance[x] This element is included in summaries. 1..1A component of the substance
Binding: ?? (example): Substance Ingredient codes.
Substance.ingredient.substance[x].substanceCodeableConceptCodeableConcept
Substance.ingredient.substance[x].substanceReferenceReference(Substance)

doco Documentation for this format