description: This CH ELM base profile constrains the Composition resource for the purpose of laboratory test reports.
package_name: ch.fhir.ig.ch
derivation: constraint
name: ChElmComposition
type: Composition
elements:
  identifier:
    short: Persistent, unique identifier for the diagnostic report (UUID)
    index: 0
    elements:
      system:
        pattern: {type: Uri, value: 'urn:ietf:rfc:3986'}
        index: 1
      value:
        constraint:
          ch-elm-doc-identifier: {human: The identifier must be an UUID., source: 'http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-composition', severity: error, expression: 'startsWith(''urn:uuid:'')'}
        index: 2
    required: [value, system]
  status:
    pattern: {type: Code, value: final}
    index: 3
  subject:
    type: Reference
    refers: ['http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-patient']
    index: 4
  author:
    type: Reference
    refers: ['http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-organization-author']
    index: 5
  section:
    index: 6
    slicing:
      rules: closed
      ordered: false
      discriminator:
      - {path: $this.section, type: exists}
      - {path: $this.entry, type: exists}
      - {path: code, type: value}
      min: null
      max: 1
      slices:
        lab-no-subsections:
          match:
            code:
              coding:
              - {code: 18725-2, system: 'http://loinc.org'}
          schema:
            index: 7
            elements:
              title: {index: 8}
              code:
                pattern:
                  type: CodeableConcept
                  value:
                    coding:
                    - {code: 18725-2, system: 'http://loinc.org'}
                index: 9
              entry:
                type: Reference
                refers: ['http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-observation-results-laboratory-microbiology']
                index: 10
            required: [title, code]
        lab-subsections:
          match: {code: null}
          schema: {index: 11}
          max: 0
        annotations:
          match: {code: null}
          schema: {index: 12}
          max: 1
        lab-mst:
          match:
            code:
              coding:
              - {code: 18769-0, system: 'http://loinc.org'}
          schema:
            index: 13
            elements:
              code:
                pattern:
                  type: CodeableConcept
                  value:
                    coding:
                    - {code: 18769-0, system: 'http://loinc.org'}
                index: 14
              entry:
                type: Reference
                refers: ['http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-observation-results-laboratory-susceptibility']
                index: 15
              section: {index: 16}
            required: [entry]
        lab-gt:
          match:
            code:
              coding:
              - {code: '726528006', system: 'http://snomed.info/sct'}
          schema:
            index: 17
            elements:
              code:
                pattern:
                  type: CodeableConcept
                  value:
                    coding:
                    - {code: '726528006', system: 'http://snomed.info/sct'}
                index: 18
              entry:
                type: Reference
                refers: ['http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-observation-results-laboratory-genotyping']
                index: 19
              section: {index: 20}
            required: [entry]
package_version: elm-1.9.0
class: profile
kind: resource
url: http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-composition
base: http://fhir.ch/ig/ch-lab-report/StructureDefinition/ch-lab-report-composition
version: 1.9.0
required: [identifier, subject]