Birth And Fetal Death (BFDR) FHIR Implementation Guide, published by HL7 International / Public Health. This guide is not an authorized publication; it is the continuous build for version 2.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-bfdr/ and changes regularly. See the Directory of published versions

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Resource Profile: Observation - Birth Weight

The weight of the infant/fetus at birth/delivery (reported in grams).

Usage:

• Refer to this Resource Profile: Composition - Jurisdiction Fetal Death Report, Composition - Jurisdiction Live Birth Report, Composition - Provider Fetal Death Report and Composition - Provider Live Birth Report
• Examples for this Resource Profile: Observation/observation-birth-weight-babyg-quinn-w-edit, Observation/observation-birth-weight-babyg-quinn, Observation/observation-birth-weight-not-named-w-edit and Observation/observation-birth-weight-not-named

Formal Views of Profile Content

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

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

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	USCoreVitalSignsProfile	US Core Vital Signs Profile dom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources dom-3: 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 dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated dom-5: If a resource is contained in another resource, it SHALL NOT have a security label dom-6: A resource should have narrative for robust management 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 vs-2: If there is no component or hasMember element then either a value[x] or a data absent reason must be present.
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created ele-1: All FHIR elements must have a @value or children
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
status	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required) ele-1: All FHIR elements must have a @value or children
Slices for category	S	1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. ele-1: All FHIR elements must have a @value or children
category:VSCat	S	1..1	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. ele-1: All FHIR elements must have a @value or children 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://terminology.hl7.org/CodeSystem/observation-category
code		1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
coding	SΣ	1..*	Coding	Code defined by a terminology system ele-1: All FHIR elements must have a @value or children
system	SΣ	1..1	uri	Identity of the terminology system ele-1: All FHIR elements must have a @value or children Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
code	SΣ	1..1	code	Symbol in syntax defined by the system ele-1: All FHIR elements must have a @value or children Fixed Value: vital-signs
code	SΣ	1..1	CodeableConcept	Birth weight Measured Binding: US Core Vital Signs ValueSet (extensible): The vital sign codes from the base FHIR and US Core Vital Signs. ele-1: All FHIR elements must have a @value or children 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: 8339-4
subject	SΣ	1..1	Reference(Patient - Child Vital Records | Patient - Decedent Fetus)	Who and/or what the observation is about ele-1: All FHIR elements must have a @value or children
effective[x]	SΣC	1..1		Often just a dateTime for Vital Signs ele-1: All FHIR elements must have a @value or children vs-1: if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day
effectiveDateTime			dateTime
value[x]	SΣC	1..1	Quantity	Birth weight in grams Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs. ele-1: All FHIR elements must have a @value or children
Slices for extension				Content/Rules for all slices
bypassEditFlag		0..1	(Complex)	BypassEditFlag Vital Records URL: http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag"
value[x]		1..1	CodeableConcept	To reflect the relevant edit possibilities for birth weight. Binding: Birth Weight Edit Flags (NCHS) (required): Birth Weight Edit Flags (NCHS) ele-1: All FHIR elements must have a @value or children
value	Σ	1..1	decimal	Numerical value (with implicit precision) ele-1: All FHIR elements must have a @value or children
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented. ele-1: All FHIR elements must have a @value or children
code	Σ	0..1	code	grams ele-1: All FHIR elements must have a @value or children Fixed Value: g
dataAbsentReason	SC	0..1	CodeableConcept	Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. ele-1: All FHIR elements must have a @value or children
component	SΣC	0..*	BackboneElement	Component observations ele-1: All FHIR elements must have a @value or children vs-3: If there is no a value a data absent reason must be present
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: US Core Vital Signs ValueSet (extensible): The vital sign codes from the base FHIR and US Core Vital Signs. ele-1: All FHIR elements must have a @value or children
value[x]	SΣC	0..1		Vital Sign Component Value Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs. ele-1: All FHIR elements must have a @value or children
valueQuantity			Quantity
dataAbsentReason	SC	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. ele-1: All FHIR elements must have a @value or children
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
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.category:VSCat	preferred	Pattern: vital-signs http://hl7.org/fhir/ValueSet/observation-category from the FHIR Standard
Observation.code	extensible	Pattern: LOINC Code 8339-4 http://hl7.org/fhir/us/core/ValueSet/us-core-vital-signs
Observation.value[x]	extensible	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.value[x].extension:bypassEditFlag.value[x]	required	BirthWeightEditFlagsVS http://hl7.org/fhir/us/bfdr/ValueSet/ValueSet-birth-weight-edit-flags from this IG
Observation.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component.code	extensible	UsCoreVitalSigns http://hl7.org/fhir/us/core/ValueSet/us-core-vital-signs
Observation.component.value[x]	extensible	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard

This structure is derived from USCoreVitalSignsProfile

Name	Flags	Card.	Type	Description & Constraints
Observation			USCoreVitalSignsProfile
Slices for category				Content/Rules for all slices
category:VSCat		1..1	CodeableConcept	Classification of type of observation 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://terminology.hl7.org/CodeSystem/observation-category
code		1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
code		1..1	CodeableConcept	Birth weight Measured 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: 8339-4
subject		1..1	Reference(Patient - Child Vital Records | Patient - Decedent Fetus)	Who and/or what the observation is about
value[x]		1..1	Quantity	Birth weight in grams
Slices for extension				Content/Rules for all slices
bypassEditFlag		0..1	(Complex)	BypassEditFlag Vital Records URL: http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag
value[x]		1..1	CodeableConcept	To reflect the relevant edit possibilities for birth weight. Binding: Birth Weight Edit Flags (NCHS) (required): Birth Weight Edit Flags (NCHS)
value		1..1	decimal	Numerical value (with implicit precision)
code		0..1	code	grams Fixed Value: g
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.value[x].extension:bypassEditFlag.value[x]	required	BirthWeightEditFlagsVS http://hl7.org/fhir/us/bfdr/ValueSet/ValueSet-birth-weight-edit-flags from this IG

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	USCoreVitalSignsProfile	US Core Vital Signs Profile 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 vs-2: If there is no component or hasMember element then either a value[x] or a data absent reason must 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		0..1	Narrative	Text summary of the resource, for human interpretation
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	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required)
Slices for category	S	1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
category:VSCat	S	1..1	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. 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://terminology.hl7.org/CodeSystem/observation-category
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
display		0..1	string	Representation defined by the system
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
coding	SΣ	1..*	Coding	Code defined by a terminology system
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	SΣ	1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
version	Σ	0..1	string	Version of the system - if relevant
code	SΣ	1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
display	Σ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	Σ	0..1	string	Plain text representation of the concept
code	SΣ	1..1	CodeableConcept	Birth weight Measured Binding: US Core Vital Signs ValueSet (extensible): The vital sign codes from the base FHIR and US Core Vital Signs. 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: 8339-4
display		0..1	string	Representation defined by the system
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(Patient - Child Vital Records | Patient - Decedent Fetus)	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]	SΣC	1..1		Often just a dateTime for Vital Signs vs-1: if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day
effectiveDateTime			dateTime S
effectivePeriod			Period
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 S	Birth weight in grams Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs.
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
bypassEditFlag		0..1	(Complex)	BypassEditFlag Vital Records URL: http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag
id		0..1	string	Unique id for inter-element referencing
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag"
value[x]		1..1	CodeableConcept	To reflect the relevant edit possibilities for birth weight. Binding: Birth Weight Edit Flags (NCHS) (required): Birth Weight Edit Flags (NCHS)
value	Σ	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	Σ	0..1	string	Unit representation
system	ΣC	0..1	uri	System that defines coded unit form
code	Σ	0..1	code	grams Fixed Value: g
dataAbsentReason	SC	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(QuestionnaireResponse | MolecularSequence | Vital Signs Profile)	Used when reporting vital signs panel components
derivedFrom	Σ	0..*	Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | MolecularSequence | Vital Signs Profile)	Related measurements the observation is made from
component	SΣC	0..*	BackboneElement	Component observations vs-3: If there is no a value a data absent reason must be present
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	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: US Core Vital Signs ValueSet (extensible): The vital sign codes from the base FHIR and US Core Vital Signs.
value[x]	SΣC	0..1		Vital Sign Component Value Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs.
valueQuantity			Quantity S
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
dataAbsentReason	SC	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 http://hl7.org/fhir/ValueSet/languages from the FHIR Standard Additional Bindings Purpose AllLanguages Max Binding
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.category:VSCat	preferred	Pattern: vital-signs http://hl7.org/fhir/ValueSet/observation-category from the FHIR Standard
Observation.code	extensible	Pattern: LOINC Code 8339-4 http://hl7.org/fhir/us/core/ValueSet/us-core-vital-signs
Observation.value[x]	extensible	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.value[x].extension:bypassEditFlag.value[x]	required	BirthWeightEditFlagsVS http://hl7.org/fhir/us/bfdr/ValueSet/ValueSet-birth-weight-edit-flags from this IG
Observation.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
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	extensible	UsCoreVitalSigns http://hl7.org/fhir/us/core/ValueSet/us-core-vital-signs
Observation.component.value[x]	extensible	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 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

This structure is derived from USCoreVitalSignsProfile

Summary

Mandatory: 2 elements
Fixed: 1 element

Structures

This structure refers to these other structures:

• Patient - Child Vital Records (http://hl7.org/fhir/us/vr-common-library/StructureDefinition/Patient-child-vr)
• Patient - Decedent Fetus (http://hl7.org/fhir/us/bfdr/StructureDefinition/Patient-decedent-fetus)

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	USCoreVitalSignsProfile	US Core Vital Signs Profile dom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources dom-3: 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 dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated dom-5: If a resource is contained in another resource, it SHALL NOT have a security label dom-6: A resource should have narrative for robust management 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 vs-2: If there is no component or hasMember element then either a value[x] or a data absent reason must be present.
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created ele-1: All FHIR elements must have a @value or children
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
status	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required) ele-1: All FHIR elements must have a @value or children
Slices for category	S	1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. ele-1: All FHIR elements must have a @value or children
category:VSCat	S	1..1	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. ele-1: All FHIR elements must have a @value or children 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://terminology.hl7.org/CodeSystem/observation-category
code		1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
coding	SΣ	1..*	Coding	Code defined by a terminology system ele-1: All FHIR elements must have a @value or children
system	SΣ	1..1	uri	Identity of the terminology system ele-1: All FHIR elements must have a @value or children Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
code	SΣ	1..1	code	Symbol in syntax defined by the system ele-1: All FHIR elements must have a @value or children Fixed Value: vital-signs
code	SΣ	1..1	CodeableConcept	Birth weight Measured Binding: US Core Vital Signs ValueSet (extensible): The vital sign codes from the base FHIR and US Core Vital Signs. ele-1: All FHIR elements must have a @value or children 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: 8339-4
subject	SΣ	1..1	Reference(Patient - Child Vital Records | Patient - Decedent Fetus)	Who and/or what the observation is about ele-1: All FHIR elements must have a @value or children
effective[x]	SΣC	1..1		Often just a dateTime for Vital Signs ele-1: All FHIR elements must have a @value or children vs-1: if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day
effectiveDateTime			dateTime
value[x]	SΣC	1..1	Quantity	Birth weight in grams Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs. ele-1: All FHIR elements must have a @value or children
Slices for extension				Content/Rules for all slices
bypassEditFlag		0..1	(Complex)	BypassEditFlag Vital Records URL: http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag"
value[x]		1..1	CodeableConcept	To reflect the relevant edit possibilities for birth weight. Binding: Birth Weight Edit Flags (NCHS) (required): Birth Weight Edit Flags (NCHS) ele-1: All FHIR elements must have a @value or children
value	Σ	1..1	decimal	Numerical value (with implicit precision) ele-1: All FHIR elements must have a @value or children
comparator	?!Σ	0..1	code	< | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented. ele-1: All FHIR elements must have a @value or children
code	Σ	0..1	code	grams ele-1: All FHIR elements must have a @value or children Fixed Value: g
dataAbsentReason	SC	0..1	CodeableConcept	Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. ele-1: All FHIR elements must have a @value or children
component	SΣC	0..*	BackboneElement	Component observations ele-1: All FHIR elements must have a @value or children vs-3: If there is no a value a data absent reason must be present
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
code	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: US Core Vital Signs ValueSet (extensible): The vital sign codes from the base FHIR and US Core Vital Signs. ele-1: All FHIR elements must have a @value or children
value[x]	SΣC	0..1		Vital Sign Component Value Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs. ele-1: All FHIR elements must have a @value or children
valueQuantity			Quantity
dataAbsentReason	SC	0..1	CodeableConcept	Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing. ele-1: All FHIR elements must have a @value or children
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet / Code	URI
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.category:VSCat	preferred	Pattern: vital-signs http://hl7.org/fhir/ValueSet/observation-category from the FHIR Standard
Observation.code	extensible	Pattern: LOINC Code 8339-4 http://hl7.org/fhir/us/core/ValueSet/us-core-vital-signs
Observation.value[x]	extensible	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.value[x].extension:bypassEditFlag.value[x]	required	BirthWeightEditFlagsVS http://hl7.org/fhir/us/bfdr/ValueSet/ValueSet-birth-weight-edit-flags from this IG
Observation.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard
Observation.component.code	extensible	UsCoreVitalSigns http://hl7.org/fhir/us/core/ValueSet/us-core-vital-signs
Observation.component.value[x]	extensible	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason from the FHIR Standard

Differential View

This structure is derived from USCoreVitalSignsProfile

Name	Flags	Card.	Type	Description & Constraints
Observation			USCoreVitalSignsProfile
Slices for category				Content/Rules for all slices
category:VSCat		1..1	CodeableConcept	Classification of type of observation 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://terminology.hl7.org/CodeSystem/observation-category
code		1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
code		1..1	CodeableConcept	Birth weight Measured 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: 8339-4
subject		1..1	Reference(Patient - Child Vital Records | Patient - Decedent Fetus)	Who and/or what the observation is about
value[x]		1..1	Quantity	Birth weight in grams
Slices for extension				Content/Rules for all slices
bypassEditFlag		0..1	(Complex)	BypassEditFlag Vital Records URL: http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag
value[x]		1..1	CodeableConcept	To reflect the relevant edit possibilities for birth weight. Binding: Birth Weight Edit Flags (NCHS) (required): Birth Weight Edit Flags (NCHS)
value		1..1	decimal	Numerical value (with implicit precision)
code		0..1	code	grams Fixed Value: g
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.value[x].extension:bypassEditFlag.value[x]	required	BirthWeightEditFlagsVS http://hl7.org/fhir/us/bfdr/ValueSet/ValueSet-birth-weight-edit-flags from this IG

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
Observation	C	0..*	USCoreVitalSignsProfile	US Core Vital Signs Profile 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 vs-2: If there is no component or hasMember element then either a value[x] or a data absent reason must 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		0..1	Narrative	Text summary of the resource, for human interpretation
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	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required)
Slices for category	S	1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
category:VSCat	S	1..1	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories. 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://terminology.hl7.org/CodeSystem/observation-category
version		0..1	string	Version of the system - if relevant
code		1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
display		0..1	string	Representation defined by the system
userSelected		0..1	boolean	If this coding was chosen directly by the user
text		0..1	string	Plain text representation of the concept
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
coding	SΣ	1..*	Coding	Code defined by a terminology system
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	SΣ	1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
version	Σ	0..1	string	Version of the system - if relevant
code	SΣ	1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
display	Σ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	Σ	0..1	string	Plain text representation of the concept
code	SΣ	1..1	CodeableConcept	Birth weight Measured Binding: US Core Vital Signs ValueSet (extensible): The vital sign codes from the base FHIR and US Core Vital Signs. 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: 8339-4
display		0..1	string	Representation defined by the system
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(Patient - Child Vital Records | Patient - Decedent Fetus)	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]	SΣC	1..1		Often just a dateTime for Vital Signs vs-1: if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day
effectiveDateTime			dateTime S
effectivePeriod			Period
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 S	Birth weight in grams Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs.
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
bypassEditFlag		0..1	(Complex)	BypassEditFlag Vital Records URL: http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag
id		0..1	string	Unique id for inter-element referencing
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag"
value[x]		1..1	CodeableConcept	To reflect the relevant edit possibilities for birth weight. Binding: Birth Weight Edit Flags (NCHS) (required): Birth Weight Edit Flags (NCHS)
value	Σ	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	Σ	0..1	string	Unit representation
system	ΣC	0..1	uri	System that defines coded unit form
code	Σ	0..1	code	grams Fixed Value: g
dataAbsentReason	SC	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(QuestionnaireResponse | MolecularSequence | Vital Signs Profile)	Used when reporting vital signs panel components
derivedFrom	Σ	0..*	Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | MolecularSequence | Vital Signs Profile)	Related measurements the observation is made from
component	SΣC	0..*	BackboneElement	Component observations vs-3: If there is no a value a data absent reason must be present
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	SΣ	1..1	CodeableConcept	Type of component observation (code / type) Binding: US Core Vital Signs ValueSet (extensible): The vital sign codes from the base FHIR and US Core Vital Signs.
value[x]	SΣC	0..1		Vital Sign Component Value Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs.
valueQuantity			Quantity S
valueCodeableConcept			CodeableConcept
valueString			string
valueBoolean			boolean
valueInteger			integer
valueRange			Range
valueRatio			Ratio
valueSampledData			SampledData
valueTime			time
valueDateTime			dateTime
valuePeriod			Period
dataAbsentReason	SC	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 http://hl7.org/fhir/ValueSet/languages from the FHIR Standard Additional Bindings Purpose AllLanguages Max Binding
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.category:VSCat	preferred	Pattern: vital-signs http://hl7.org/fhir/ValueSet/observation-category from the FHIR Standard
Observation.code	extensible	Pattern: LOINC Code 8339-4 http://hl7.org/fhir/us/core/ValueSet/us-core-vital-signs
Observation.value[x]	extensible	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 from the FHIR Standard
Observation.value[x].extension:bypassEditFlag.value[x]	required	BirthWeightEditFlagsVS http://hl7.org/fhir/us/bfdr/ValueSet/ValueSet-birth-weight-edit-flags from this IG
Observation.value[x].comparator	required	QuantityComparator http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1 from the FHIR Standard
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	extensible	UsCoreVitalSigns http://hl7.org/fhir/us/core/ValueSet/us-core-vital-signs
Observation.component.value[x]	extensible	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 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

This structure is derived from USCoreVitalSignsProfile

Summary

Mandatory: 2 elements
Fixed: 1 element

Structures

This structure refers to these other structures:

• Patient - Child Vital Records (http://hl7.org/fhir/us/vr-common-library/StructureDefinition/Patient-child-vr)
• Patient - Decedent Fetus (http://hl7.org/fhir/us/bfdr/StructureDefinition/Patient-decedent-fetus)

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/us/vr-common-library/StructureDefinition/BypassEditFlag

Other representations of profile: CSV, Excel, Schematron