description: Definition of the split dosage  (used in MedicationStatement / MedicationDispense)
package_name: ch.fhir.ig.ch
derivation: constraint
name: CHEMEDDosageSplit
type: Dosage
elements:
  site: {index: 10}
  asNeeded:
    choices: []
    index: 9
  method: {index: 12}
  patientInstruction: {index: 3}
  maxDosePerLifetime: {index: 20}
  maxDosePerAdministration: {index: 19}
  route: {index: 11}
  timing:
    short: When medication should be administered
    index: 4
    elements:
      repeat:
        short: When the event is to occur
        index: 5
        elements:
          boundsPeriod: {index: 6}
          when:
            short: Code for time period of occurrence
            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.', severity: warning, expression: $this='MORN' or $this='NOON' or $this='EVE' or $this='NIGHT'}
            mustSupport: true
            index: 7
  additionalInstruction: {index: 2}
  sequence:
    short: The order of the dosage instructions
    constraint:
      ch-dosage-2: {human: The sequence number must be greater than 1, severity: error, expression: $this > 1}
    index: 0
  maxDosePerPeriod: {index: 18}
  doseAndRate:
    short: Amount of medication administered
    index: 13
    elements:
      dose:
        mustSupport: true
        choices: [doseRange, doseQuantity]
        index: 15
      doseRange: {type: Range, mustSupport: true, choiceOf: dose, index: 16}
      doseQuantity: {type: Quantity, mustSupport: true, choiceOf: dose, index: 17}
  text: {index: 1}
package_version: emed-3.0.0
class: complex-type
kind: complex-type
url: http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-dosage-split
base: http://hl7.org/fhir/StructureDefinition/Dosage
version: 3.0.0
required: [sequence]