description: Represents the definition of a substance, suitable for use in various contexts package_name: hl7.fhir.uv.crmi derivation: constraint name: CRMISubstanceDefinition type: Substance elements: identifier: {mustSupport: true, index: 0} code: {mustSupport: true, index: 1} ingredient: mustSupport: true index: 2 elements: substance: mustSupport: true choices: [] index: 4 slicing: rules: open ordered: false discriminator: - {path: $this, type: type} min: null slices: substanceReference: match: {} schema: mustSupport: true choices: [substanceReference] index: 6 min: 0 max: 1 substanceReference: refers: ['http://hl7.org/fhir/StructureDefinition/Substance'] type: Reference mustSupport: true choiceOf: substance index: 7 slicing: slices: substanceReference: match: {} schema: refers: ['http://hl7.org/fhir/StructureDefinition/Substance'] type: Reference mustSupport: true choiceOf: substance index: 7 min: 0 max: 1 substance[x]: extensions: nonCanonicalReference: {url: 'http://hl7.org/fhir/StructureDefinition/artifact-uriReference', min: 0, max: 1, type: Extension, mustSupport: true, index: 8} elements: extension: type: Extension mustSupport: true url: http://hl7.org/fhir/StructureDefinition/artifact-uriReference index: 8 slicing: slices: nonCanonicalReference: match: {} schema: {type: Extension, mustSupport: true, url: 'http://hl7.org/fhir/StructureDefinition/artifact-uriReference', index: 8} min: 0 max: 1 package_version: 2.0.0-ballot class: profile kind: resource url: http://hl7.org/fhir/uv/crmi/StructureDefinition/crmi-substancedefinition base: http://hl7.org/fhir/StructureDefinition/Substance version: 2.0.0-ballot