description: Israel Core proposed constraints and extensions on the Observation Resource
package_name: il.core.fhir.r4
derivation: constraint
name: ILCoreObservation
type: Observation
elements:
  category: {mustSupport: true, index: 3}
  referenceRange:
    elements:
      low:
        constraint:
          il-obs-ucum: {human: SHOULD use UCUM for coded quantity units, source: 'http://fhir.health.gov.il/StructureDefinition/il-core-observation', severity: warning, expression: 'system.empty() or system = ''http://unitsofmeasure.org'''}
        index: 17
      high:
        constraint:
          il-obs-ucum: {human: SHOULD use UCUM for coded quantity units, source: 'http://fhir.health.gov.il/StructureDefinition/il-core-observation', severity: warning, expression: 'system.empty() or system = ''http://unitsofmeasure.org'''}
        index: 18
      age:
        elements:
          low:
            binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/age-units'}
            index: 19
          high:
            binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/age-units'}
            index: 20
  hasMember:
    type: Reference
    refers: ['http://fhir.health.gov.il/StructureDefinition/il-core-observation', 'http://fhir.health.gov.il/StructureDefinition/il-core-questionnaire-response', 'http://hl7.org/fhir/StructureDefinition/MolecularSequence']
    index: 21
  derivedFrom:
    type: Reference
    refers: ['http://fhir.health.gov.il/StructureDefinition/il-core-document-reference', 'http://fhir.health.gov.il/StructureDefinition/il-core-imaging-study', 'http://fhir.health.gov.il/StructureDefinition/il-core-media', 'http://fhir.health.gov.il/StructureDefinition/il-core-observation', 'http://fhir.health.gov.il/StructureDefinition/il-core-questionnaire-response', 'http://hl7.org/fhir/StructureDefinition/MolecularSequence']
    index: 22
  encounter:
    type: Reference
    refers: ['http://fhir.health.gov.il/StructureDefinition/il-core-encounter']
    index: 6
  method:
    binding: {strength: preferred, valueSet: 'http://hl7.org/fhir/ValueSet/observation-methods'}
    index: 14
  specimen:
    type: Reference
    refers: ['http://fhir.health.gov.il/StructureDefinition/il-core-specimen']
    index: 15
  valueQuantity:
    type: Quantity
    constraint:
      il-obs-ucum: {human: SHOULD use UCUM for coded quantity units, source: 'http://fhir.health.gov.il/StructureDefinition/il-core-observation', severity: warning, expression: 'system.empty() or system = ''http://unitsofmeasure.org'''}
    index: 10
  value:
    mustSupport: true
    choices: []
    index: 9
  component:
    elements:
      code:
        binding: {strength: preferred, valueSet: 'http://fhir.health.gov.il/ValueSet/il-core-observation-code'}
        index: 23
      valueQuantity:
        type: Quantity
        constraint:
          il-obs-ucum: {human: SHOULD use UCUM for coded quantity units, source: 'http://fhir.health.gov.il/StructureDefinition/il-core-observation', severity: warning, expression: 'system.empty() or system = ''http://unitsofmeasure.org'''}
        index: 24
      valueCodeableConcept:
        type: CodeableConcept
        binding: {strength: preferred, valueSet: 'http://fhir.health.gov.il/ValueSet/il-core-observation-value'}
        constraint:
          il-obs-value-cc: {human: SHOULD use SNOMED-CT or LOINC Answers for coded results, source: 'http://fhir.health.gov.il/StructureDefinition/il-core-observation', severity: warning, expression: 'coding.where(system=''http://snomed.info/sct'' and code.exists()).exists() OR coding.where(system=''http://loinc.org'' and code.startsWith(''LA'')).exists()'}
        index: 25
      referenceRange:
        type: BackboneElement
        index: 26
        elements:
          low:
            constraint:
              il-obs-ucum: {human: SHOULD use UCUM for coded quantity units, source: 'http://fhir.health.gov.il/StructureDefinition/il-core-observation', severity: warning, expression: 'system.empty() or system = ''http://unitsofmeasure.org'''}
            index: 27
          high:
            constraint:
              il-obs-ucum: {human: SHOULD use UCUM for coded quantity units, source: 'http://fhir.health.gov.il/StructureDefinition/il-core-observation', severity: warning, expression: 'system.empty() or system = ''http://unitsofmeasure.org'''}
            index: 28
          age:
            elements:
              low:
                binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/age-units'}
                index: 29
              high:
                binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/age-units'}
                index: 30
  status: {mustSupport: true, index: 2}
  code:
    binding: {strength: preferred, valueSet: 'http://fhir.health.gov.il/ValueSet/il-core-observation-code'}
    mustSupport: true
    index: 4
  valueCodeableConcept:
    type: CodeableConcept
    binding: {strength: preferred, valueSet: 'http://fhir.health.gov.il/ValueSet/il-core-observation-value'}
    constraint:
      il-obs-value-cc: {human: SHOULD use SNOMED-CT or LOINC Answers for coded results, source: 'http://fhir.health.gov.il/StructureDefinition/il-core-observation', severity: warning, expression: 'coding.where(system=''http://snomed.info/sct'' and code.exists()).exists() OR coding.where(system=''http://loinc.org'' and code.startsWith(''LA'')).exists()'}
    index: 11
  bodySite:
    binding: {strength: preferred, valueSet: 'http://hl7.org/fhir/ValueSet/body-site'}
    index: 13
  device:
    type: Reference
    refers: ['http://fhir.health.gov.il/StructureDefinition/il-core-device', 'http://hl7.org/fhir/StructureDefinition/DeviceMetric']
    index: 16
  basedOn:
    type: Reference
    refers: ['http://fhir.health.gov.il/StructureDefinition/il-core-medication-request', 'http://fhir.health.gov.il/StructureDefinition/il-core-service-request', 'http://hl7.org/fhir/StructureDefinition/CarePlan', 'http://hl7.org/fhir/StructureDefinition/DeviceRequest', 'http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation', 'http://hl7.org/fhir/StructureDefinition/NutritionOrder']
    index: 0
  partOf:
    type: Reference
    refers: ['http://fhir.health.gov.il/StructureDefinition/il-core-imaging-study', 'http://fhir.health.gov.il/StructureDefinition/il-core-immunization', 'http://fhir.health.gov.il/StructureDefinition/il-core-procedure', 'http://hl7.org/fhir/StructureDefinition/MedicationAdministration', 'http://hl7.org/fhir/StructureDefinition/MedicationDispense']
    index: 1
  subject:
    type: Reference
    mustSupport: true
    refers: ['http://fhir.health.gov.il/StructureDefinition/il-core-device', 'http://fhir.health.gov.il/StructureDefinition/il-core-group', 'http://fhir.health.gov.il/StructureDefinition/il-core-location', 'http://fhir.health.gov.il/StructureDefinition/il-core-patient']
    index: 5
  performer:
    type: Reference
    refers: ['http://fhir.health.gov.il/StructureDefinition/il-core-organization', 'http://fhir.health.gov.il/StructureDefinition/il-core-patient', 'http://fhir.health.gov.il/StructureDefinition/il-core-practitioner', 'http://fhir.health.gov.il/StructureDefinition/il-core-practitioner-role', 'http://fhir.health.gov.il/StructureDefinition/il-core-related-person', 'http://hl7.org/fhir/StructureDefinition/CareTeam']
    index: 7
  dataAbsentReason:
    constraint:
      il-obs-not-performed: {human: 'dataAbsentReason - if an IL-Core ''not-performed-reason'' code is supplied, ''not performed'' code MUST be supplied as well', source: 'http://fhir.health.gov.il/StructureDefinition/il-core-observation', severity: error, expression: 'coding.where(system=''http://fhir.health.gov.il/cs/il-core-not-performed-reason'').exists() implies coding.where(system=''http://terminology.hl7.org/CodeSystem/data-absent-reason'' and code=''not-preformed'').exists()'}
    index: 12
package_version: 0.11.1
class: profile
kind: resource
url: http://fhir.health.gov.il/StructureDefinition/il-core-observation
base: http://hl7.org/fhir/StructureDefinition/Observation
version: 0.11.0