description: This profile constrains the ChLabObservationSingleTest profile for the purpose of laboratory Erythrocyte Distribution Width Ratio.
package_name: ch.fhir.ig.ch
derivation: constraint
name: ChLabErythrocyteDistWidthRatio
type: Observation
elements:
  category:
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: 18723-7, system: 'http://loinc.org', display: Hematology studies (set)}
    index: 0
    slicing:
      slices:
        studyType:
          match: {}
          schema:
            pattern:
              type: CodeableConcept
              value:
                coding:
                - {code: 18723-7, system: 'http://loinc.org', display: Hematology studies (set)}
            index: 0
        specialty:
          match: {}
          schema:
            pattern:
              type: CodeableConcept
              value:
                coding:
                - {code: '394916005', system: 'http://snomed.info/sct', display: Hematopathology}
            index: 1
  code:
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: 788-0, system: 'http://loinc.org', display: 'Erythrocyte distribution width [Ratio] by Automated count'}
    index: 2
    elements:
      text:
        short: LOINC Display Name
        pattern: {type: String, value: 'Erythrocyte distribution width Auto (RBC) [Ratio]'}
        index: 3
package_version: lab-report-1.0.0-ballot
class: profile
kind: resource
url: http://fhir.ch/ig/ch-lab-report/StructureDefinition/ch-lab-observation-results-ery-dist-width-ratio
base: http://fhir.ch/ig/ch-lab-report/StructureDefinition/ChLab-observation-single-test
version: 1.0.0-ballot