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: at.unofficial.au.base
derivation: constraint
name: AUEstimatedDateOfDelivery
type: Observation
elements:
  code:
    pattern:
      type: CodeableConcept
      value:
        coding:
        - {code: '161714006', system: 'http://snomed.info/sct'}
    index: 0
    elements:
      coding:
        short: EDD Calculation
        index: 1
        slicing:
          rules: open
          discriminator:
          - {path: system, type: value}
          min: null
          slices:
            snomedEDD:
              match: {system: 'http://snomed.info/sct'}
              schema:
                short: SNOMED Estimated Date of Delivery
                binding: {strength: extensible, valueSet: 'https://healthterminologies.gov.au/fhir/ValueSet/estimated-date-of-delivery-1'}
                index: 2
                elements:
                  system:
                    pattern: {type: Uri, value: 'http://snomed.info/sct'}
                    index: 3
                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: 4
                elements:
                  system:
                    pattern: {type: Uri, value: 'http://loinc.org'}
                    index: 5
                required: [system]
  subject:
    type: Reference
    short: Subject is the pregnant individual
    refers: ['http://hl7.org/fhir/StructureDefinition/Patient']
    index: 6
  effective:
    choices: [effectiveDateTime, effectiveInstant]
    index: 8
  effectiveDateTime: {type: dateTime, choiceOf: effective, index: 9}
  effectiveInstant: {type: instant, choiceOf: effective, index: 10}
  value:
    choices: [valueDateTime]
    index: 12
  valueDateTime: {type: dateTime, choiceOf: value, index: 13}
package_version: 2.2.0-ballot2
class: profile
kind: resource
url: http://hl7.org.au/fhir/StructureDefinition/au-estimateddateofdelivery
base: http://hl7.org/fhir/StructureDefinition/Observation
version: 2.2.0
required: [effectiveDateTime, effectiveInstant, subject, effective]