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

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

Resource Profile: Observation - Number of Previous Cesareans

The total number of prior cesarean deliveries for the mother.

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-number-previous-cesareans-carmen-teresa-lee-w-edit, Observation/observation-number-previous-cesareans-carmen-teresa-lee, Observation/observation-number-previous-cesareans-jada-ann-quinn-w-edit and Observation/observation-number-previous-cesareans-jada-ann-quinn

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..*	Observation	Measurements and simple assertions 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
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	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation. ele-1: All FHIR elements must have a @value or children
code	Σ	1..1	CodeableConcept	Previous cesarean deliveries # Binding: LOINCCodes (example): Codes identifying names of simple observations. 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: 68497-7
subject	Σ	1..1	Reference(Patient - Mother Vital Records)	Who and/or what the observation is about ele-1: All FHIR elements must have a @value or children
value[x]	ΣC	1..1	integer	Actual result ele-1: All FHIR elements must have a @value or children
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
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 number of previous cesareans. Binding: Number of Previous Cesareans Edit Flags (NCHS) (required): Number Of Previous Cesareans Edit Flags (NCHS) 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.code	example	Pattern: LOINC Code 68497-7 http://hl7.org/fhir/ValueSet/observation-codes from the FHIR Standard
Observation.value[x].extension:bypassEditFlag.value[x]	required	NumberPreviousCesareansEditFlagsVS http://hl7.org/fhir/us/bfdr/ValueSet/ValueSet-number-previous-cesareans-edit-flags from this IG

This structure is derived from Observation

Name	Flags	Card.	Type	Description & Constraints
Observation			Observation
code		1..1	CodeableConcept	Previous cesarean deliveries # 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: 68497-7
subject		1..1	Reference(Patient - Mother Vital Records)	Who and/or what the observation is about
value[x]		1..1	integer	Actual result
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
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 number of previous cesareans. Binding: Number of Previous Cesareans Edit Flags (NCHS) (required): Number Of Previous Cesareans Edit Flags (NCHS)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.value[x].extension:bypassEditFlag.value[x]	required	NumberPreviousCesareansEditFlagsVS http://hl7.org/fhir/us/bfdr/ValueSet/ValueSet-number-previous-cesareans-edit-flags from this IG

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		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	?!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	Σ	1..1	CodeableConcept	Previous cesarean deliveries # 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: 68497-7
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	Σ	1..1	Reference(Patient - Mother Vital Records)	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]	Σ	0..1		Clinically relevant time/time-period for observation
effectiveDateTime			dateTime
effectivePeriod			Period
effectiveTiming			Timing
effectiveInstant			instant
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]	ΣC	1..1	integer	Actual result
id		0..1	string	xml:id (or equivalent in JSON)
Slices for extension		0..*	Extension	Extension 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 number of previous cesareans. Binding: Number of Previous Cesareans Edit Flags (NCHS) (required): Number Of Previous Cesareans Edit Flags (NCHS)
value		0..1	integer	Primitive value for integer
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 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.code	example	Pattern: LOINC Code 68497-7 http://hl7.org/fhir/ValueSet/observation-codes from the FHIR Standard
Observation.value[x].extension:bypassEditFlag.value[x]	required	NumberPreviousCesareansEditFlagsVS http://hl7.org/fhir/us/bfdr/ValueSet/ValueSet-number-previous-cesareans-edit-flags from this IG
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

This structure is derived from Observation

Summary

Mandatory: 2 elements

Structures

This structure refers to these other structures:

• Patient - Mother Vital Records (http://hl7.org/fhir/us/vr-common-library/StructureDefinition/Patient-mother-vr)

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..*	Observation	Measurements and simple assertions 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
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	?!Σ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation. ele-1: All FHIR elements must have a @value or children
code	Σ	1..1	CodeableConcept	Previous cesarean deliveries # Binding: LOINCCodes (example): Codes identifying names of simple observations. 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: 68497-7
subject	Σ	1..1	Reference(Patient - Mother Vital Records)	Who and/or what the observation is about ele-1: All FHIR elements must have a @value or children
value[x]	ΣC	1..1	integer	Actual result ele-1: All FHIR elements must have a @value or children
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
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 number of previous cesareans. Binding: Number of Previous Cesareans Edit Flags (NCHS) (required): Number Of Previous Cesareans Edit Flags (NCHS) 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.code	example	Pattern: LOINC Code 68497-7 http://hl7.org/fhir/ValueSet/observation-codes from the FHIR Standard
Observation.value[x].extension:bypassEditFlag.value[x]	required	NumberPreviousCesareansEditFlagsVS http://hl7.org/fhir/us/bfdr/ValueSet/ValueSet-number-previous-cesareans-edit-flags from this IG

Differential View

This structure is derived from Observation

Name	Flags	Card.	Type	Description & Constraints
Observation			Observation
code		1..1	CodeableConcept	Previous cesarean deliveries # 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: 68497-7
subject		1..1	Reference(Patient - Mother Vital Records)	Who and/or what the observation is about
value[x]		1..1	integer	Actual result
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
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 number of previous cesareans. Binding: Number of Previous Cesareans Edit Flags (NCHS) (required): Number Of Previous Cesareans Edit Flags (NCHS)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.value[x].extension:bypassEditFlag.value[x]	required	NumberPreviousCesareansEditFlagsVS http://hl7.org/fhir/us/bfdr/ValueSet/ValueSet-number-previous-cesareans-edit-flags from this IG

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		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	?!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	Σ	1..1	CodeableConcept	Previous cesarean deliveries # 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: 68497-7
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	Σ	1..1	Reference(Patient - Mother Vital Records)	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]	Σ	0..1		Clinically relevant time/time-period for observation
effectiveDateTime			dateTime
effectivePeriod			Period
effectiveTiming			Timing
effectiveInstant			instant
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]	ΣC	1..1	integer	Actual result
id		0..1	string	xml:id (or equivalent in JSON)
Slices for extension		0..*	Extension	Extension 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 number of previous cesareans. Binding: Number of Previous Cesareans Edit Flags (NCHS) (required): Number Of Previous Cesareans Edit Flags (NCHS)
value		0..1	integer	Primitive value for integer
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 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.code	example	Pattern: LOINC Code 68497-7 http://hl7.org/fhir/ValueSet/observation-codes from the FHIR Standard
Observation.value[x].extension:bypassEditFlag.value[x]	required	NumberPreviousCesareansEditFlagsVS http://hl7.org/fhir/us/bfdr/ValueSet/ValueSet-number-previous-cesareans-edit-flags from this IG
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

This structure is derived from Observation

Summary

Mandatory: 2 elements

Structures

This structure refers to these other structures:

• Patient - Mother Vital Records (http://hl7.org/fhir/us/vr-common-library/StructureDefinition/Patient-mother-vr)

Extensions

This structure refers to these extensions:

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

Other representations of profile: CSV, Excel, Schematron