description: 'R4: `SubstanceSourceMaterial.parentSubstanceId` (new:Identifier)' package_name: hl7.fhir.uv.xver-r4.r3 derivation: constraint name: ExtensionSubstanceSourceMaterial_ParentSubstanceId type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSourceMaterial.parentSubstanceId'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: The parent of the herbal drug Ginkgo biloba, Leaf is the substance ID of the substance (fresh) of Ginkgo biloba L. or Ginkgo biloba L. (Whole plant) choices: [valueIdentifier] index: 2 valueIdentifier: short: The parent of the herbal drug Ginkgo biloba, Leaf is the substance ID of the substance (fresh) of Ginkgo biloba L. or Ginkgo biloba L. (Whole plant) type: Identifier base: {max: '1', min: 0, path: 'Extension.value[x]'} choiceOf: value index: 3 package_version: 0.1.0 class: extension kind: complex-type url: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSourceMaterial.parentSubstanceId base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.1.0 required: [url]