description: Definition of the dosage (used in MedicationStatement / MedicationDispense)
package_name: ch.fhir.ig.ch
derivation: constraint
name: CHEMEDDosage
type: Dosage
elements:
  sequence:
    constraint:
      ch-dosage-1: {human: No sequence number (for one dosage element) or sequence number = 1 (for more than one dosage element), source: 'http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-dosage', severity: error, expression: $this.count() = 0 or $this = 1}
    index: 0
  patientInstruction: {short: 'Patient instructions (e.g. ''take with food''), incl. free text dosage instructions (e.g. for complex dosage)', mustSupport: true, index: 1}
  timing:
    elements:
      repeat:
        elements:
          bounds:
            choices: []
            index: 3
            slicing:
              rules: open
              ordered: false
              discriminator:
              - {path: $this, type: type}
              min: null
              slices:
                boundsPeriod:
                  match: {}
                  schema:
                    short: Start and/or end of treatment
                    mustSupport: true
                    choices: [boundsPeriod]
                    index: 5
                  min: 0
                  max: 1
          boundsPeriod:
            short: Start and/or end of treatment
            type: Period
            mustSupport: true
            choiceOf: bounds
            index: 6
            slicing:
              slices:
                boundsPeriod:
                  match: {}
                  schema: {short: Start and/or end of treatment, type: Period, mustSupport: true, choiceOf: bounds, index: 6}
                  min: 0
                  max: 1
          when:
            constraint:
              ch-emed-event-timing: {human: 'For the representation of the time of administration according to the 1-1-1-1 scheme, the values MORN-NOON-EVE-NIGHT are highly recommended.', source: 'http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-dosage', severity: warning, expression: $this='MORN' or $this='NOON' or $this='EVE' or $this='NIGHT'}
            mustSupport: true
            index: 7
  asNeeded:
    choices: []
    index: 9
    slicing:
      rules: open
      ordered: false
      discriminator:
      - {path: $this, type: type}
      min: null
      slices:
        asNeededBoolean:
          match: {}
          schema:
            short: In reserve (to be taken by the patient only if the need arises - e.g. pains)
            choices: [asNeededBoolean]
            index: 11
          min: 0
          max: 1
  asNeededBoolean:
    type: boolean
    short: In reserve (to be taken by the patient only if the need arises - e.g. pains)
    choiceOf: asNeeded
    index: 12
    slicing:
      slices:
        asNeededBoolean:
          match: {}
          schema: {type: boolean, short: In reserve (to be taken by the patient only if the need arises - e.g. pains), choiceOf: asNeeded, index: 12}
          min: 0
          max: 1
  route:
    short: Route of administration
    binding: {strength: required, valueSet: 'http://fhir.ch/ig/ch-emed/ValueSet/edqm-routeofadministration'}
    index: 13
    elements:
      coding:
        mustSupport: true
        index: 14
        elements:
          system: {index: 15}
          code: {index: 16}
        required: [system, code]
    required: [coding]
  doseAndRate:
    index: 17
    elements:
      dose:
        mustSupport: true
        choices: [doseRange, doseQuantity]
        index: 19
      doseRange: {type: Range, mustSupport: true, choiceOf: dose, index: 20}
      doseQuantity: {type: Quantity, mustSupport: true, choiceOf: dose, index: 21}
package_version: emed-4.0.0-ballot
class: complex-type
kind: complex-type
url: http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-dosage
base: http://hl7.org/fhir/StructureDefinition/Dosage
version: 4.0.0-ballot