description: This profile constrains the ChLabObservationSingleTest profile for the purpose of laboratory Erythrocyte Distribuition Width in Switzerland.
package_name: ch.fhir.ig.ch
derivation: constraint
name: ChLabErythrocyteDistributionWidth
type: Observation
elements:
  category:
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: 18723-7, system: 'http://loinc.org'}
    index: 0
    slicing:
      slices:
        studyType:
          match: {}
          schema:
            pattern:
              type: CodeableConcept
              value:
                coding:
                - {code: 18723-7, system: 'http://loinc.org'}
            index: 0
        specialty:
          match: {}
          schema:
            pattern:
              type: CodeableConcept
              value:
                coding:
                - {code: '394916005', system: 'http://snomed.info/sct'}
            index: 1
  code:
    short: ValueSet for the allowed LOINC codes aiming at Entitic volume and Ratio
    binding: {strength: required, valueSet: 'http://fhir.ch/ig/ch-lab-report/ValueSet/observation-code-entsvol-ratio'}
    index: 2
  method:
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: '702659008', system: 'http://snomed.info/sct'}
    index: 3
  specimen:
    pattern:
      type: Reference
      value: {reference: Specimen/BloodCBC}
    index: 4
package_version: lab-report-1.0.0
class: profile
kind: resource
url: http://fhir.ch/ig/ch-lab-report/StructureDefinition/ch-lab-observation-results-ery-distribution-width
base: http://fhir.ch/ig/ch-lab-report/StructureDefinition/ChLab-observation-single-test
version: 1.0.0