description: This profile defines an observation structure that represents an estimated date of delivery (EDD) related to pregnancy, for use in an Australian context.
package_name: hl7.fhir.au.base
derivation: constraint
name: AUEstimatedDateOfDelivery
type: Observation
elements:
  status:
    pattern: {type: Code, value: final}
    index: 0
  code:
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: '161714006', system: 'http://snomed.info/sct'}
    index: 1
    elements:
      coding:
        index: 2
        slicing:
          rules: open
          discriminator:
          - {path: system, type: value}
          min: null
          slices:
            snomedEDD:
              match: {system: 'http://snomed.info/sct'}
              schema:
                short: SNOMED CT Estimated Date of Delivery
                binding: {strength: extensible, valueSet: 'https://healthterminologies.gov.au/fhir/ValueSet/estimated-date-of-delivery-1'}
                index: 3
                elements:
                  system:
                    pattern: {type: Uri, value: 'http://snomed.info/sct'}
                    index: 4
                required: [system]
            loincEDD:
              match: {system: 'http://loinc.org'}
              schema:
                short: LOINC Estimated Date of Delivery
                binding: {strength: extensible, valueSet: 'https://healthterminologies.gov.au/fhir/ValueSet/estimated-date-of-delivery-LOINC-1'}
                index: 5
                elements:
                  system:
                    pattern: {type: Uri, value: 'http://loinc.org'}
                    index: 6
                required: [system]
  subject:
    type: Reference
    short: The pregnant individual
    refers: ['http://hl7.org/fhir/StructureDefinition/Patient']
    index: 7
  focus: {short: The fetus, index: 8}
  effective:
    short: Date, and optionally time, the observation was performed
    choices: [effectiveDateTime]
    index: 10
  effectiveDateTime: {type: dateTime, short: 'Date, and optionally time, the observation was performed', choiceOf: effective, index: 11}
  value:
    choices: [valueDateTime]
    index: 13
  valueDateTime: {type: dateTime, choiceOf: value, index: 14}
package_version: 4.0.0
class: profile
kind: resource
url: http://hl7.org.au/fhir/StructureDefinition/au-estimateddateofdelivery
base: http://hl7.org/fhir/StructureDefinition/Observation
version: 4.0.0
required: [effectiveDateTime, subject, effective]