description: Concentration as Quantity in observation.component result, see also 'Guidance - Laboratory Result'
package_name: ch.fhir.ig.ch-elm
derivation: constraint
name: ChElmObservationComponentConcentration
type: Observation
elements:
  component:
    elements:
      value:
        choices: []
        index: 1
        slicing:
          rules: open
          ordered: false
          discriminator:
          - {path: $this, type: type}
          min: 1
          slices:
            valueQuantity:
              match: {}
              schema:
                choices: [valueQuantity]
                _required: true
                index: 3
              min: 1
              max: 1
      valueQuantity:
        type: Quantity
        choiceOf: value
        index: 4
        slicing:
          slices:
            valueQuantity:
              match: {}
              schema: {type: Quantity, choiceOf: value, _required: true, index: 4}
              min: 1
              max: 1
      value[x]:
        elements:
          value: {index: 5}
          unit:
            pattern: {type: string, value: mg/L}
            type: string
            index: 6
          system:
            pattern: {type: uri, value: 'http://unitsofmeasure.org'}
            type: uri
            index: 7
          code:
            pattern: {type: code, value: mg/L}
            type: code
            index: 8
        required: [value]
    required: [value, valueQuantity]
package_version: 1.10.0
class: profile
kind: resource
url: http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-observation-component-conc
base: http://hl7.org/fhir/StructureDefinition/Observation
version: 1.10.0