http://hl7.org/fhir/StructureDefinition/Observation|4.0.1

description: Measurements and simple assertions made about a patient, device or other subject.
derivation: specialization
name: Observation
type: Observation
elements:
  category:
    short: Classification of  type of observation
    array: true
    binding: {strength: preferred, valueSet: 'http://hl7.org/fhir/ValueSet/observation-category'}
    index: 4
  referenceRange:
    constraint:
      obs-3: {human: Must have at least a low or a high or text, severity: error, expression: low.exists() or high.exists() or text.exists()}
    short: Provides guide for interpretation
    array: true
    index: 22
    elements:
      low: {short: 'Low Range, if relevant', index: 23}
      high: {short: 'High Range, if relevant', index: 24}
      type:
        short: Reference range qualifier
        binding: {strength: preferred, valueSet: 'http://hl7.org/fhir/ValueSet/referencerange-meaning'}
        index: 25
      appliesTo:
        short: Reference range population
        array: true
        binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/referencerange-appliesto'}
        index: 26
      age: {short: 'Applicable age range, if relevant', index: 27}
      text: {short: Text based reference range in an observation, index: 28}
  hasMember: {short: Related resource that belongs to the Observation group, array: true, isSummary: true, index: 29}
  derivedFrom: {short: Related measurements the observation is made from, array: true, isSummary: true, index: 30}
  interpretation:
    short: High, low, normal, etc.
    array: true
    binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/ValueSet/observation-interpretation'}
    index: 16
  encounter: {short: Healthcare event during which this observation is made, isSummary: true, index: 8}
  method:
    short: How it was done
    binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/observation-methods'}
    index: 19
  specimen: {short: Specimen used for this observation, index: 20}
  value:
    short: Actual result
    choices: []
    isSummary: true
    index: 14
  component:
    short: Component results
    array: true
    isSummary: true
    index: 31
    elements:
      code:
        short: Type of component observation (code / type)
        binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/observation-codes'}
        isSummary: true
        index: 32
      value:
        short: Actual component result
        choices: []
        isSummary: true
        index: 34
      dataAbsentReason:
        short: Why the component result is missing
        binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/ValueSet/data-absent-reason'}
        index: 35
      interpretation:
        short: High, low, normal, etc.
        array: true
        binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/ValueSet/observation-interpretation'}
        index: 36
      referenceRange:
        elementReference: ['http://hl7.org/fhir/StructureDefinition/Observation', elements, referenceRange]
        short: Provides guide for interpretation of component result
        array: true
        index: 37
    required: [code]
  note: {short: Comments about the observation, array: true, index: 17}
  status:
    isModifier: true
    short: registered | preliminary | final | amended +
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/observation-status|4.0.1'}
    isModifierReason: This element is labeled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid
    isSummary: true
    index: 3
  effective:
    short: Clinically relevant time/time-period for observation
    choices: []
    isSummary: true
    index: 10
  code:
    short: Type of observation (code / type)
    binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/observation-codes'}
    isSummary: true
    index: 5
  identifier: {short: Business Identifier for observation, array: true, isSummary: true, index: 0}
  bodySite:
    short: Observed body part
    binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/body-site'}
    index: 18
  focus: {short: 'What the observation is about, when it is not about the subject of record', array: true, isSummary: true, index: 7}
  issued: {short: Date/Time this version was made available, isSummary: true, index: 11}
  device: {short: (Measurement) Device, index: 21}
  basedOn: {short: 'Fulfills plan, proposal or order', array: true, isSummary: true, index: 1}
  partOf: {short: Part of referenced event, array: true, isSummary: true, index: 2}
  subject: {short: Who and/or what the observation is about, isSummary: true, index: 6}
  performer: {short: Who is responsible for the observation, array: true, isSummary: true, index: 12}
  dataAbsentReason:
    short: Why the result is missing
    binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/ValueSet/data-absent-reason'}
    index: 15
class: resource
kind: resource
url: http://hl7.org/fhir/StructureDefinition/Observation
base: http://hl7.org/fhir/StructureDefinition/DomainResource
version: 4.0.1
required: [status, code]