description: 'R4: `SubstanceProtein.sequenceType` (new:CodeableConcept)' package_name: hl7.fhir.uv.xver-r4.r5 derivation: constraint name: ExtensionSubstanceProtein_SequenceType type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceProtein.sequenceType'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: The SubstanceProtein descriptive elements will only be used when a complete or partial amino acid sequence is available or derivable from a nucleic acid sequence choices: [valueCodeableConcept] index: 2 valueCodeableConcept: short: The SubstanceProtein descriptive elements will only be used when a complete or partial amino acid sequence is available or derivable from a nucleic acid sequence type: CodeableConcept 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-SubstanceProtein.sequenceType base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0 version: 0.1.0 required: [url]