CDC FHIR® Implementation Guide: Anonymized Electronic Initial Case Reporting (eICR), published by APHL. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/lantanagroup/FHIR-us-eicr-anonymized/ and changes regularly. See the Directory of published versions

• Content
• Detailed Descriptions
• Mappings
• Examples
• XML
• JSON
• TTL

Resource Profile: eICR Anonymized Calculated Age

This Observation profile represents the patient's age, calculated by subtracting the date of birth from the current date.

Usage:

• Refer to this Resource Profile: eICR Anonymized Composition
• Examples for this Resource Profile: Observation/observation-calculated-age-anon

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

• Differential Table
• Key Elements Table
• Snapshot Table
• Statistics/References
• All

This structure is derived from Observation

Name	Flags	Card.	Type	Description & Constraints
Observation		0..*	Observation	Measurements and simple assertions
text	C	0..1	Narrative	Text summary of the resource, for human interpretation eicr-anon-text: text.div SHALL be '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>'
extension		1..*	Extension	Extension
Slices for extension				Content/Rules for all slices
dataAbsentReason	S	1..1	(Complex)	Use data-absent-reason with value 'masked' URL: http://hl7.org/fhir/StructureDefinition/data-absent-reason
value[x]		1..1	code	Value of extension Fixed Value: masked
div		1..1	xhtml	Set to '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>'
code	S	1..1	CodeableConcept	Type of observation (code / type) Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 29553-5
display		1..1	string	Representation defined by the system Fixed Value: Age calculated
subject	S	1..1	Reference(eICR Anonymized Patient)	Who and/or what the observation is about
effective[x]	S	1..1	dateTime	Clinically relevant time/time-period for observation
value[x]	S	1..1	Quantity	Actual result
value	S	1..1	decimal	Numerical value (with implicit precision)
unit	S	1..1	string	Unit representation
system	S	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	S	1..1	code	Coded form of the unit Binding: AgePQ_UCUM (extensible)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.value[x].code	extensible	AgePQ_UCUM http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.21 from https://vsac.nlm.nih.gov

Constraints

Id	Grade	Path(s)	Details	Requirements
eicr-anon-text	error	Observation.text	text.div SHALL be '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>' : exists() implies `div`.toString().matches('<div xmlns="http://www.w3.org/1999/xhtml">\\s*<p>MASKED</p>\\s*</div>')

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	Observation	Measurements and simple assertions obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
text	C	0..1	Narrative	Text summary of the resource, for human interpretation eicr-anon-text: text.div SHALL be '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>'
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
dataAbsentReason	S	1..1	(Complex)	Use data-absent-reason with value 'masked' URL: http://hl7.org/fhir/StructureDefinition/data-absent-reason
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/data-absent-reason"
value[x]		1..1	code	Value of extension Binding: DataAbsentReason (required) Fixed Value: masked
status		1..1	code	generated | extensions | additional | empty Binding: NarrativeStatus (required): The status of a resource narrative.
div	C	1..1	xhtml	Set to '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>' txt-1: The narrative SHALL contain only the basic html formatting elements and attributes described in chapters 7-11 (except section 4 of chapter 9) and 15 of the HTML 4.0 standard, <a> elements (either name or href), images and internally contained style attributes txt-2: The narrative SHALL have some non-whitespace content
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
status	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
code	SΣ	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 29553-5
display		1..1	string	Representation defined by the system Fixed Value: Age calculated
subject	SΣ	1..1	Reference(eICR Anonymized Patient)	Who and/or what the observation is about
effective[x]	SΣ	1..1	dateTime	Clinically relevant time/time-period for observation
value[x]	SΣC	1..1	Quantity	Actual result
value	SΣ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	SΣ	1..1	string	Unit representation
system	SΣC	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	SΣ	1..1	code	Coded form of the unit Binding: AgePQ_UCUM (extensible)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.text.extension:dataAbsentReason.value[x]	required	Fixed Value: masked http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.text.status	required	NarrativeStatus http://hl7.org/fhir/ValueSet/narrative-status|4.0.1 from the FHIR Standard
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|4.0.1 from the FHIR Standard
Observation.code	example	Pattern: LOINC Code 29553-5("Age calculated") http://hl7.org/fhir/ValueSet/observation-codes from the FHIR Standard
Observation.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
Observation.value[x].code	extensible	AgePQ_UCUM http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.21 from https://vsac.nlm.nih.gov

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Observation	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Observation	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Observation	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Observation	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Observation	A resource should have narrative for robust management : text.`div`.exists()
eicr-anon-text	error	Observation.text	text.div SHALL be '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>' : exists() implies `div`.toString().matches('<div xmlns="http://www.w3.org/1999/xhtml">\\s*<p>MASKED</p>\\s*</div>')
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
obs-6	error	Observation	dataAbsentReason SHALL only be present if Observation.value[x] is not present : dataAbsentReason.empty() or value.empty()
obs-7	error	Observation	If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
txt-1	error	Observation.text.div	The narrative SHALL contain only the basic html formatting elements and attributes described in chapters 7-11 (except section 4 of chapter 9) and 15 of the HTML 4.0 standard, <a> elements (either name or href), images and internally contained style attributes : htmlChecks()
txt-2	error	Observation.text.div	The narrative SHALL have some non-whitespace content : htmlChecks()

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	Observation	Measurements and simple assertions obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
text	C	0..1	Narrative	Text summary of the resource, for human interpretation eicr-anon-text: text.div SHALL be '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>'
id		0..1	string	Unique id for inter-element referencing
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
dataAbsentReason	S	1..1	(Complex)	Use data-absent-reason with value 'masked' URL: http://hl7.org/fhir/StructureDefinition/data-absent-reason
id		0..1	id	Unique id for inter-element referencing
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/data-absent-reason"
value[x]		1..1	code	Value of extension Binding: DataAbsentReason (required) Fixed Value: masked
status		1..1	code	generated | extensions | additional | empty Binding: NarrativeStatus (required): The status of a resource narrative.
div	C	1..1	xhtml	Set to '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>' txt-1: The narrative SHALL contain only the basic html formatting elements and attributes described in chapters 7-11 (except section 4 of chapter 9) and 15 of the HTML 4.0 standard, <a> elements (either name or href), images and internally contained style attributes txt-2: The narrative SHALL have some non-whitespace content
contained		0..*	Resource	Contained, inline Resources
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
identifier	Σ	0..*	Identifier	Business Identifier for observation
basedOn	Σ	0..*	Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)	Fulfills plan, proposal or order
partOf	Σ	0..*	Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy)	Part of referenced event
status	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
category		0..*	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
code	SΣ	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 29553-5
display		1..1	string	Representation defined by the system Fixed Value: Age calculated
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
subject	SΣ	1..1	Reference(eICR Anonymized Patient)	Who and/or what the observation is about
focus	Σ	0..*	Reference(Resource)	What the observation is about, when it is not about the subject of record
encounter	Σ	0..1	Reference(Encounter)	Healthcare event during which this observation is made
effective[x]	SΣ	1..1	dateTime	Clinically relevant time/time-period for observation
issued	Σ	0..1	instant	Date/Time this version was made available
performer	Σ	0..*	Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)	Who is responsible for the observation
value[x]	SΣC	1..1	Quantity	Actual result
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
value	SΣ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	SΣ	1..1	string	Unit representation
system	SΣC	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	SΣ	1..1	code	Coded form of the unit Binding: AgePQ_UCUM (extensible)
dataAbsentReason	C	0..1	CodeableConcept	Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation		0..*	CodeableConcept	High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
note		0..*	Annotation	Comments about the observation
bodySite		0..1	CodeableConcept	Observed body part Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
method		0..1	CodeableConcept	How it was done Binding: ObservationMethods (example): Methods for simple observations.
specimen		0..1	Reference(Specimen)	Specimen used for this observation
device		0..1	Reference(Device | DeviceMetric)	(Measurement) Device
referenceRange	C	0..*	BackboneElement	Provides guide for interpretation obs-3: Must have at least a low or a high or text
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
low	C	0..1	SimpleQuantity	Low Range, if relevant
high	C	0..1	SimpleQuantity	High Range, if relevant
type		0..1	CodeableConcept	Reference range qualifier Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
appliesTo		0..*	CodeableConcept	Reference range population Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
age		0..1	Range	Applicable age range, if relevant
text		0..1	string	Text based reference range in an observation
hasMember	Σ	0..*	Reference(Observation | QuestionnaireResponse | MolecularSequence)	Related resource that belongs to the Observation group
derivedFrom	Σ	0..*	Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence)	Related measurements the observation is made from
component	Σ	0..*	BackboneElement	Component results
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	Σ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
value[x]	Σ	0..1		Actual component result
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
dataAbsentReason	C	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation		0..*	CodeableConcept	High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.language	preferred	CommonLanguages Additional Bindings Purpose AllLanguages Max Binding http://hl7.org/fhir/ValueSet/languages from the FHIR Standard
Observation.text.extension:dataAbsentReason.value[x]	required	Fixed Value: masked http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.text.status	required	NarrativeStatus http://hl7.org/fhir/ValueSet/narrative-status|4.0.1 from the FHIR Standard
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|4.0.1 from the FHIR Standard
Observation.category	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category from the FHIR Standard
Observation.code	example	Pattern: LOINC Code 29553-5("Age calculated") http://hl7.org/fhir/ValueSet/observation-codes from the FHIR Standard
Observation.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
Observation.value[x].code	extensible	AgePQ_UCUM http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.21 from https://vsac.nlm.nih.gov
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation from the FHIR Standard
Observation.bodySite	example	SNOMEDCTBodyStructures http://hl7.org/fhir/ValueSet/body-site from the FHIR Standard
Observation.method	example	ObservationMethods http://hl7.org/fhir/ValueSet/observation-methods from the FHIR Standard
Observation.referenceRange.type	preferred	ObservationReferenceRangeMeaningCodes http://hl7.org/fhir/ValueSet/referencerange-meaning from the FHIR Standard
Observation.referenceRange.appliesTo	example	ObservationReferenceRangeAppliesToCodes http://hl7.org/fhir/ValueSet/referencerange-appliesto from the FHIR Standard
Observation.component.code	example	LOINCCodes (a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes from the FHIR Standard
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Observation	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Observation	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Observation	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Observation	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Observation	A resource should have narrative for robust management : text.`div`.exists()
eicr-anon-text	error	Observation.text	text.div SHALL be '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>' : exists() implies `div`.toString().matches('<div xmlns="http://www.w3.org/1999/xhtml">\\s*<p>MASKED</p>\\s*</div>')
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
obs-3	error	Observation.referenceRange	Must have at least a low or a high or text : low.exists() or high.exists() or text.exists()
obs-6	error	Observation	dataAbsentReason SHALL only be present if Observation.value[x] is not present : dataAbsentReason.empty() or value.empty()
obs-7	error	Observation	If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
txt-1	error	Observation.text.div	The narrative SHALL contain only the basic html formatting elements and attributes described in chapters 7-11 (except section 4 of chapter 9) and 15 of the HTML 4.0 standard, <a> elements (either name or href), images and internally contained style attributes : htmlChecks()
txt-2	error	Observation.text.div	The narrative SHALL have some non-whitespace content : htmlChecks()

This structure is derived from Observation

Summary

Mandatory: 7 elements(2 nested mandatory elements)
Must-Support: 9 elements
Fixed: 2 elements

Structures

This structure refers to these other structures:

• eICR Anonymized Patient (http://fhir.org/fhir/us/anonymized-eicr/StructureDefinition/eicr-anon-patient)

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/StructureDefinition/data-absent-reason

Differential View

This structure is derived from Observation

Name	Flags	Card.	Type	Description & Constraints
Observation		0..*	Observation	Measurements and simple assertions
text	C	0..1	Narrative	Text summary of the resource, for human interpretation eicr-anon-text: text.div SHALL be '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>'
extension		1..*	Extension	Extension
Slices for extension				Content/Rules for all slices
dataAbsentReason	S	1..1	(Complex)	Use data-absent-reason with value 'masked' URL: http://hl7.org/fhir/StructureDefinition/data-absent-reason
value[x]		1..1	code	Value of extension Fixed Value: masked
div		1..1	xhtml	Set to '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>'
code	S	1..1	CodeableConcept	Type of observation (code / type) Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 29553-5
display		1..1	string	Representation defined by the system Fixed Value: Age calculated
subject	S	1..1	Reference(eICR Anonymized Patient)	Who and/or what the observation is about
effective[x]	S	1..1	dateTime	Clinically relevant time/time-period for observation
value[x]	S	1..1	Quantity	Actual result
value	S	1..1	decimal	Numerical value (with implicit precision)
unit	S	1..1	string	Unit representation
system	S	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	S	1..1	code	Coded form of the unit Binding: AgePQ_UCUM (extensible)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.value[x].code	extensible	AgePQ_UCUM http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.21 from https://vsac.nlm.nih.gov

Constraints

Id	Grade	Path(s)	Details	Requirements
eicr-anon-text	error	Observation.text	text.div SHALL be '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>' : exists() implies `div`.toString().matches('<div xmlns="http://www.w3.org/1999/xhtml">\\s*<p>MASKED</p>\\s*</div>')

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	Observation	Measurements and simple assertions obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
text	C	0..1	Narrative	Text summary of the resource, for human interpretation eicr-anon-text: text.div SHALL be '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>'
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
dataAbsentReason	S	1..1	(Complex)	Use data-absent-reason with value 'masked' URL: http://hl7.org/fhir/StructureDefinition/data-absent-reason
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/data-absent-reason"
value[x]		1..1	code	Value of extension Binding: DataAbsentReason (required) Fixed Value: masked
status		1..1	code	generated | extensions | additional | empty Binding: NarrativeStatus (required): The status of a resource narrative.
div	C	1..1	xhtml	Set to '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>' txt-1: The narrative SHALL contain only the basic html formatting elements and attributes described in chapters 7-11 (except section 4 of chapter 9) and 15 of the HTML 4.0 standard, <a> elements (either name or href), images and internally contained style attributes txt-2: The narrative SHALL have some non-whitespace content
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
status	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
code	SΣ	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (complex)
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 29553-5
display		1..1	string	Representation defined by the system Fixed Value: Age calculated
subject	SΣ	1..1	Reference(eICR Anonymized Patient)	Who and/or what the observation is about
effective[x]	SΣ	1..1	dateTime	Clinically relevant time/time-period for observation
value[x]	SΣC	1..1	Quantity	Actual result
value	SΣ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	SΣ	1..1	string	Unit representation
system	SΣC	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	SΣ	1..1	code	Coded form of the unit Binding: AgePQ_UCUM (extensible)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.text.extension:dataAbsentReason.value[x]	required	Fixed Value: masked http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.text.status	required	NarrativeStatus http://hl7.org/fhir/ValueSet/narrative-status|4.0.1 from the FHIR Standard
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|4.0.1 from the FHIR Standard
Observation.code	example	Pattern: LOINC Code 29553-5("Age calculated") http://hl7.org/fhir/ValueSet/observation-codes from the FHIR Standard
Observation.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
Observation.value[x].code	extensible	AgePQ_UCUM http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.21 from https://vsac.nlm.nih.gov

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Observation	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Observation	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Observation	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Observation	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Observation	A resource should have narrative for robust management : text.`div`.exists()
eicr-anon-text	error	Observation.text	text.div SHALL be '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>' : exists() implies `div`.toString().matches('<div xmlns="http://www.w3.org/1999/xhtml">\\s*<p>MASKED</p>\\s*</div>')
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
obs-6	error	Observation	dataAbsentReason SHALL only be present if Observation.value[x] is not present : dataAbsentReason.empty() or value.empty()
obs-7	error	Observation	If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
txt-1	error	Observation.text.div	The narrative SHALL contain only the basic html formatting elements and attributes described in chapters 7-11 (except section 4 of chapter 9) and 15 of the HTML 4.0 standard, <a> elements (either name or href), images and internally contained style attributes : htmlChecks()
txt-2	error	Observation.text.div	The narrative SHALL have some non-whitespace content : htmlChecks()

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	Observation	Measurements and simple assertions obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
text	C	0..1	Narrative	Text summary of the resource, for human interpretation eicr-anon-text: text.div SHALL be '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>'
id		0..1	string	Unique id for inter-element referencing
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
dataAbsentReason	S	1..1	(Complex)	Use data-absent-reason with value 'masked' URL: http://hl7.org/fhir/StructureDefinition/data-absent-reason
id		0..1	id	Unique id for inter-element referencing
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/data-absent-reason"
value[x]		1..1	code	Value of extension Binding: DataAbsentReason (required) Fixed Value: masked
status		1..1	code	generated | extensions | additional | empty Binding: NarrativeStatus (required): The status of a resource narrative.
div	C	1..1	xhtml	Set to '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>' txt-1: The narrative SHALL contain only the basic html formatting elements and attributes described in chapters 7-11 (except section 4 of chapter 9) and 15 of the HTML 4.0 standard, <a> elements (either name or href), images and internally contained style attributes txt-2: The narrative SHALL have some non-whitespace content
contained		0..*	Resource	Contained, inline Resources
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
identifier	Σ	0..*	Identifier	Business Identifier for observation
basedOn	Σ	0..*	Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)	Fulfills plan, proposal or order
partOf	Σ	0..*	Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy)	Part of referenced event
status	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
category		0..*	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
code	SΣ	1..1	CodeableConcept	Type of observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
coding		1..*	Coding	Code defined by a terminology system Fixed Value: (complex)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
system		1..1	uri	Identity of the terminology system Fixed Value: http://loinc.org
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 29553-5
display		1..1	string	Representation defined by the system Fixed Value: Age calculated
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
subject	SΣ	1..1	Reference(eICR Anonymized Patient)	Who and/or what the observation is about
focus	Σ	0..*	Reference(Resource)	What the observation is about, when it is not about the subject of record
encounter	Σ	0..1	Reference(Encounter)	Healthcare event during which this observation is made
effective[x]	SΣ	1..1	dateTime	Clinically relevant time/time-period for observation
issued	Σ	0..1	instant	Date/Time this version was made available
performer	Σ	0..*	Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)	Who is responsible for the observation
value[x]	SΣC	1..1	Quantity	Actual result
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
value	SΣ	1..1	decimal	Numerical value (with implicit precision)
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit	SΣ	1..1	string	Unit representation
system	SΣC	1..1	uri	System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code	SΣ	1..1	code	Coded form of the unit Binding: AgePQ_UCUM (extensible)
dataAbsentReason	C	0..1	CodeableConcept	Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation		0..*	CodeableConcept	High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
note		0..*	Annotation	Comments about the observation
bodySite		0..1	CodeableConcept	Observed body part Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
method		0..1	CodeableConcept	How it was done Binding: ObservationMethods (example): Methods for simple observations.
specimen		0..1	Reference(Specimen)	Specimen used for this observation
device		0..1	Reference(Device | DeviceMetric)	(Measurement) Device
referenceRange	C	0..*	BackboneElement	Provides guide for interpretation obs-3: Must have at least a low or a high or text
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
low	C	0..1	SimpleQuantity	Low Range, if relevant
high	C	0..1	SimpleQuantity	High Range, if relevant
type		0..1	CodeableConcept	Reference range qualifier Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
appliesTo		0..*	CodeableConcept	Reference range population Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
age		0..1	Range	Applicable age range, if relevant
text		0..1	string	Text based reference range in an observation
hasMember	Σ	0..*	Reference(Observation | QuestionnaireResponse | MolecularSequence)	Related resource that belongs to the Observation group
derivedFrom	Σ	0..*	Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence)	Related measurements the observation is made from
component	Σ	0..*	BackboneElement	Component results
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
code	Σ	1..1	CodeableConcept	Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
value[x]	Σ	0..1		Actual component result
valueQuantity			Quantity
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
dataAbsentReason	C	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation		0..*	CodeableConcept	High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
referenceRange		0..*	See referenceRange (Observation)	Provides guide for interpretation of component result
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
Observation.language	preferred	CommonLanguages Additional Bindings Purpose AllLanguages Max Binding http://hl7.org/fhir/ValueSet/languages from the FHIR Standard
Observation.text.extension:dataAbsentReason.value[x]	required	Fixed Value: masked http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.text.status	required	NarrativeStatus http://hl7.org/fhir/ValueSet/narrative-status|4.0.1 from the FHIR Standard
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|4.0.1 from the FHIR Standard
Observation.category	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category from the FHIR Standard
Observation.code	example	Pattern: LOINC Code 29553-5("Age calculated") http://hl7.org/fhir/ValueSet/observation-codes from the FHIR Standard
Observation.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
Observation.value[x].code	extensible	AgePQ_UCUM http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.21 from https://vsac.nlm.nih.gov
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation from the FHIR Standard
Observation.bodySite	example	SNOMEDCTBodyStructures http://hl7.org/fhir/ValueSet/body-site from the FHIR Standard
Observation.method	example	ObservationMethods http://hl7.org/fhir/ValueSet/observation-methods from the FHIR Standard
Observation.referenceRange.type	preferred	ObservationReferenceRangeMeaningCodes http://hl7.org/fhir/ValueSet/referencerange-meaning from the FHIR Standard
Observation.referenceRange.appliesTo	example	ObservationReferenceRangeAppliesToCodes http://hl7.org/fhir/ValueSet/referencerange-appliesto from the FHIR Standard
Observation.component.code	example	LOINCCodes (a valid code from LOINC) http://hl7.org/fhir/ValueSet/observation-codes from the FHIR Standard
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Observation	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Observation	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Observation	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Observation	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Observation	A resource should have narrative for robust management : text.`div`.exists()
eicr-anon-text	error	Observation.text	text.div SHALL be '<div xmlns="http://www.w3.org/1999/xhtml"><p>MASKED</p></div>' : exists() implies `div`.toString().matches('<div xmlns="http://www.w3.org/1999/xhtml">\\s*<p>MASKED</p>\\s*</div>')
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
obs-3	error	Observation.referenceRange	Must have at least a low or a high or text : low.exists() or high.exists() or text.exists()
obs-6	error	Observation	dataAbsentReason SHALL only be present if Observation.value[x] is not present : dataAbsentReason.empty() or value.empty()
obs-7	error	Observation	If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
txt-1	error	Observation.text.div	The narrative SHALL contain only the basic html formatting elements and attributes described in chapters 7-11 (except section 4 of chapter 9) and 15 of the HTML 4.0 standard, <a> elements (either name or href), images and internally contained style attributes : htmlChecks()
txt-2	error	Observation.text.div	The narrative SHALL have some non-whitespace content : htmlChecks()

This structure is derived from Observation

Summary

Mandatory: 7 elements(2 nested mandatory elements)
Must-Support: 9 elements
Fixed: 2 elements

Structures

This structure refers to these other structures:

• eICR Anonymized Patient (http://fhir.org/fhir/us/anonymized-eicr/StructureDefinition/eicr-anon-patient)

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/StructureDefinition/data-absent-reason

Other representations of profile: CSV, Excel, Schematron