description: This profile constrains the ChLabObservationSingleTest profile for the purpose of laboratory platelet count.
package_name: ch.fhir.ig.ch
derivation: constraint
name: ChLabPlateletCount
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: 777-3, system: 'http://loinc.org', display: 'Platelets [#/volume] in Blood by Automated count'}
    index: 2
    elements:
      text:
        short: LOINC Display Name
        pattern: {type: String, value: 'Platelets Auto (Bld) [#/Vol]'}
        index: 3
  method:
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: '702659008', system: 'http://snomed.info/sct', display: Automated count technique (qualifier value)}
    index: 4
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-platelets
base: http://fhir.ch/ig/ch-lab-report/StructureDefinition/ChLab-observation-single-test
version: 1.0.0-ballot