description: Immunhistrchemistry report package_name: de.medizininformatikinitiative.kerndatensatz.mtb derivation: constraint name: MII_PR_MTB_IMMUNOHISTOCHEMISTRY_HER2 type: Observation elements: code: elements: coding: array: true min: 2 index: 0 slicing: slices: spezifisch: match: {} schema: mustSupport: true pattern: type: Coding value: {code: 18474-7, system: 'http://loinc.org', display: 'HER2 Ag [Presence] in Tissue by Immune stain'} _required: true index: 1 min: 1 max: 1 value: choices: [valueCodeableConcept] index: 3 slicing: slices: valueCodeableConcept: match: {} schema: choices: [valueCodeableConcept] index: 3 valueCodeableConcept: type: CodeableConcept choiceOf: value index: 4 slicing: slices: valueCodeableConcept: match: {} schema: {type: CodeableConcept, choiceOf: value, index: 4} value[x]: elements: coding: short: 0|1+|2+|3+|Indeterminate _short: extension: - url: http://hl7.org/fhir/StructureDefinition/translation extension: - {url: lang, valueCode: de-DE} - {url: content, valueString: 0|1+|2+|3+|Unbestimmt} - url: http://hl7.org/fhir/StructureDefinition/translation extension: - {url: lang, valueCode: en} - {url: content, valueString: 0|1+|2+|3+|Indeterminate} index: 5 elements: system: pattern: {type: Uri, value: 'http://loinc.org'} index: 6 code: binding: {strength: required, valueSet: 'http://loinc.org/vs/LL4396-9'} index: 7 component: index: 8 slicing: slices: gene-studied: match: {} schema: index: 8 elements: value: pattern: type: CodeableConcept value: coding: - {code: 'HGNC:3430', system: 'http://www.genenames.org/geneId', display: ERBB2} choices: [] index: 10 biomarker-category: match: {} schema: index: 11 elements: value[x]: elements: coding: pattern: type: Coding value: {code: immuneStain} index: 12 package_version: 2026.0.1 class: profile kind: resource url: https://www.medizininformatik-initiative.de/fhir/ext/modul-mtb/StructureDefinition/mii-pr-mtb-immunohistochemistry-her2 base: https://www.medizininformatik-initiative.de/fhir/ext/modul-mtb/StructureDefinition/mii-pr-mtb-immunohistochemistry version: 2026.0.1