MedNet interface implementation guide
0.20.0 - CI Build

MedNet interface implementation guide - Downloaded Version 0.20.0 See the Directory of published versions

Resource Profile: MedNet Interface (MNI) - Body Weight

Official URL: https://mednet.swiss/fhir/StructureDefinition/mni-obs-bodyWeight Version: 0.20.0
Active as of 2025-12-19 Computable Name: MNIBodyWeight

Copyright/Legal: novcom AG

MedNet Interface (MNI) - Body Weight Profile

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

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

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* observation-bodyweight MedNet Interface (MNI) - Body Weight
Constraints: obs-6, obs-7, vs-2
... id SΣ 0..1 id The id is unique within the space of all resources of the same type on the same server It can be any combination of upper- or lower-case ASCII letters 'A'..'Z', and 'a'..'z', numerals ('0'..'9'), '-' and '.' with a length limit of 64 characters. (This might be an integer, an un-prefixed OID, UUID or any other identifier pattern that meets these constraints.)
... status ?!SΣ 1..1 code Fixed value: final
Binding: ObservationStatus (required)
Fixed Value: final
... 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.
..... coding SΣ 1..* Coding Code defined by a terminology system
...... system SΣ 1..1 uri Identity of the terminology system
Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
...... code SΣ 1..1 code Symbol in syntax defined by the system
Fixed Value: vital-signs
...... display SΣ 0..1 string Representation defined by the system
Fixed Value: Vital Signs
.... Slices for coding Σ 1..* Coding Code defined by a terminology system
Slice: Unordered, Open by value:code, value:system
..... coding:BodyWeightCode SΣ 1..1 Coding Code defined by a terminology system
...... system SΣ 1..1 uri Identity of the terminology system
Fixed Value: http://loinc.org
...... code SΣ 1..1 code Symbol in syntax defined by the system
Fixed Value: 29463-7
...... display SΣ 0..1 string Representation defined by the system
Fixed Value: Body weight
... subject SΣ 1..1 Reference(MedNet Interface (MNI) - Patient) Link to the Patient
... Slices for effective[x] SΣC 1..1 dateTime Often just a dateTime for Vital Signs
Slice: Unordered, Closed by type:$this
Constraints: vs-1
.... effective[x]:effectiveDateTime SΣC 1..1 dateTime If no datetime is available for this observation it can be the current dateTime
Constraints: vs-1
... Slices for value[x] SΣC 1..1 Quantity Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
Slice: Unordered, Closed by type:$this
.... value[x]:valueQuantity SΣC 1..1 Quantity Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
..... 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 (free text)
..... system SΣC 1..1 uri System that defines coded unit form
Fixed Value: http://unitsofmeasure.org
..... code SΣ 1..1 code kg | g | [lb_av]
Binding: BodyWeightUnits (required): Common UCUM units for Body Weight.
... dataAbsentReason SC 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
... component SΣC 0..* BackboneElement Used when reporting systolic and diastolic blood pressure.
Constraints: vs-3
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code SΣ 1..1 CodeableConcept Type of component observation (code / type)
Binding: VitalSigns (extensible): This identifies the vital sign result type.
.... value[x] SΣC 0..1 Vital Sign Value recorded with UCUM
Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs.
..... valueQuantity Quantity
..... 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.

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.category Base preferred Observation Category Codes 📍4.0.1 FHIR Std.
Observation.category:VSCat Base preferred Observation Category Codes 📍4.0.1 FHIR Std.
Observation.code Base extensible Vital Signs 📍4.0.1 FHIR Std.
Observation.value[x]:valueQuantity.​comparator Base required QuantityComparator 📍4.0.1 FHIR Std.
Observation.value[x]:valueQuantity.​code Base required Body Weight Units 📍4.0.1 FHIR Std.
Observation.dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.component.​code Base extensible Vital Signs 📍4.0.1 FHIR Std.
Observation.component.​value[x] Base extensible Vital Signs Units 📍4.0.1 FHIR Std.
Observation.component.​dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
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()
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()
vs-1 error Observation.effective[x], Observation.effective[x]:effectiveDateTime if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day $this is dateTime implies $this.toString().length() >= 10
vs-2 error Observation If there is no component or hasMember element then either a value[x] or a data absent reason must be present. (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
vs-3 error Observation.component If there is no a value a data absent reason must be present value.exists() or dataAbsentReason.exists()

This structure is derived from observation-bodyweight

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation 0..* observation-bodyweight MedNet Interface (MNI) - Body Weight
... id S 0..1 id The id is unique within the space of all resources of the same type on the same server It can be any combination of upper- or lower-case ASCII letters 'A'..'Z', and 'a'..'z', numerals ('0'..'9'), '-' and '.' with a length limit of 64 characters. (This might be an integer, an un-prefixed OID, UUID or any other identifier pattern that meets these constraints.)
... implicitRules 0..0 A set of rules under which this content was created
... modifierExtension 0..0 Extension
... Slices for category Content/Rules for all slices
.... category:VSCat S 1..1 CodeableConcept Classification of type of observation
..... coding S 1..* Coding Code defined by a terminology system
...... system S 1..1 uri Identity of the terminology system
...... code S 1..1 code Symbol in syntax defined by the system
...... display S 0..1 string Representation defined by the system
Fixed Value: Vital Signs
... code S 1..1 CodeableConcept Body Weight
.... Slices for coding Content/Rules for all slices
..... coding:BodyWeightCode S 1..1 Coding Code defined by a terminology system
...... system S 1..1 uri Identity of the terminology system
...... code S 1..1 code Symbol in syntax defined by the system
...... display S 0..1 string Representation defined by the system
Fixed Value: Body weight
... subject S 1..1 Reference(MedNet Interface (MNI) - Patient) Link to the Patient
... effectiveDateTime S 1..1 dateTime If no datetime is available for this observation it can be the current dateTime
... value[x] 1..1 Quantity Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
... valueQuantity S 1..1 Quantity Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
.... value S 1..1 decimal Numerical value (with implicit precision)
.... unit S 1..1 string Unit representation (free text)
.... system S 1..1 uri System that defines coded unit form
.... code S 1..1 code kg | g | [lb_av]

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* observation-bodyweight MedNet Interface (MNI) - Body Weight
Constraints: obs-6, obs-7, vs-2
... id SΣ 0..1 id The id is unique within the space of all resources of the same type on the same server It can be any combination of upper- or lower-case ASCII letters 'A'..'Z', and 'a'..'z', numerals ('0'..'9'), '-' and '.' with a length limit of 64 characters. (This might be an integer, an un-prefixed OID, UUID or any other identifier pattern that meets these constraints.)
... meta Σ 0..1 Meta Metadata about the resource
... language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
... text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... 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 Fixed value: final
Binding: ObservationStatus (required)
Fixed Value: final
... 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.
..... 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 SΣ 0..1 string Representation defined by the system
Fixed Value: Vital Signs
...... 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 Body Weight
Binding: VitalSigns (extensible): This identifies the vital sign result type.
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... Slices for coding Σ 1..* Coding Code defined by a terminology system
Slice: Unordered, Open by value:code, value:system
..... coding:BodyWeightCode SΣ 1..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://loinc.org
...... 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: 29463-7
...... display SΣ 0..1 string Representation defined by the system
Fixed Value: Body weight
...... 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
... subject SΣ 1..1 Reference(MedNet Interface (MNI) - Patient) Link to the Patient
... 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
... Slices for effective[x] SΣC 1..1 dateTime Often just a dateTime for Vital Signs
Slice: Unordered, Closed by type:$this
Constraints: vs-1
.... effective[x]:effectiveDateTime SΣC 1..1 dateTime If no datetime is available for this observation it can be the current dateTime
Constraints: vs-1
... issued Σ 0..1 instant Date/Time this version was made available
... performer Σ 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Who is responsible for the observation
... Slices for value[x] SΣC 1..1 Quantity Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
Slice: Unordered, Closed by type:$this
.... value[x]:valueQuantity SΣC 1..1 Quantity Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
..... 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 (free text)
..... system SΣC 1..1 uri System that defines coded unit form
Fixed Value: http://unitsofmeasure.org
..... code SΣ 1..1 code kg | g | [lb_av]
Binding: BodyWeightUnits (required): Common UCUM units for Body Weight.
... 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
Constraints: obs-3
.... 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(4.0.1) Low Range, if relevant
.... high C 0..1 SimpleQuantity(4.0.1) 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 Used when reporting systolic and diastolic blood pressure.
Constraints: vs-3
.... 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: VitalSigns (extensible): This identifies the vital sign result type.
.... value[x] SΣC 0..1 Vital Sign Value recorded with UCUM
Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs.
..... valueQuantity Quantity
..... 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

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.language Base preferred Common Languages 📍4.0.1 FHIR Std.
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.category Base preferred Observation Category Codes 📍4.0.1 FHIR Std.
Observation.category:VSCat Base preferred Observation Category Codes 📍4.0.1 FHIR Std.
Observation.code Base extensible Vital Signs 📍4.0.1 FHIR Std.
Observation.value[x]:valueQuantity.​comparator Base required QuantityComparator 📍4.0.1 FHIR Std.
Observation.value[x]:valueQuantity.​code Base required Body Weight Units 📍4.0.1 FHIR Std.
Observation.dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.interpretation Base extensible Observation Interpretation Codes 📍4.0.1 FHIR Std.
Observation.bodySite Base example SNOMED CT Body Structures 📍4.0.1 FHIR Std.
Observation.method Base example Observation Methods 📍4.0.1 FHIR Std.
Observation.referenceRange.​type Base preferred Observation Reference Range Meaning Codes 📍4.0.1 FHIR Std.
Observation.referenceRange.​appliesTo Base example Observation Reference Range Applies To Codes 📍4.0.1 FHIR Std.
Observation.component.​code Base extensible Vital Signs 📍4.0.1 FHIR Std.
Observation.component.​value[x] Base extensible Vital Signs Units 📍4.0.1 FHIR Std.
Observation.component.​dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.component.​interpretation Base extensible Observation Interpretation Codes 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
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()
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()
vs-1 error Observation.effective[x], Observation.effective[x]:effectiveDateTime if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day $this is dateTime implies $this.toString().length() >= 10
vs-2 error Observation If there is no component or hasMember element then either a value[x] or a data absent reason must be present. (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
vs-3 error Observation.component If there is no a value a data absent reason must be present value.exists() or dataAbsentReason.exists()

This structure is derived from observation-bodyweight

Summary

Mandatory: 5 elements
Must-Support: 19 elements
Fixed: 3 elements
Prohibited: 2 elements

Structures

This structure refers to these other structures:

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* observation-bodyweight MedNet Interface (MNI) - Body Weight
Constraints: obs-6, obs-7, vs-2
... id SΣ 0..1 id The id is unique within the space of all resources of the same type on the same server It can be any combination of upper- or lower-case ASCII letters 'A'..'Z', and 'a'..'z', numerals ('0'..'9'), '-' and '.' with a length limit of 64 characters. (This might be an integer, an un-prefixed OID, UUID or any other identifier pattern that meets these constraints.)
... status ?!SΣ 1..1 code Fixed value: final
Binding: ObservationStatus (required)
Fixed Value: final
... 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.
..... coding SΣ 1..* Coding Code defined by a terminology system
...... system SΣ 1..1 uri Identity of the terminology system
Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
...... code SΣ 1..1 code Symbol in syntax defined by the system
Fixed Value: vital-signs
...... display SΣ 0..1 string Representation defined by the system
Fixed Value: Vital Signs
.... Slices for coding Σ 1..* Coding Code defined by a terminology system
Slice: Unordered, Open by value:code, value:system
..... coding:BodyWeightCode SΣ 1..1 Coding Code defined by a terminology system
...... system SΣ 1..1 uri Identity of the terminology system
Fixed Value: http://loinc.org
...... code SΣ 1..1 code Symbol in syntax defined by the system
Fixed Value: 29463-7
...... display SΣ 0..1 string Representation defined by the system
Fixed Value: Body weight
... subject SΣ 1..1 Reference(MedNet Interface (MNI) - Patient) Link to the Patient
... Slices for effective[x] SΣC 1..1 dateTime Often just a dateTime for Vital Signs
Slice: Unordered, Closed by type:$this
Constraints: vs-1
.... effective[x]:effectiveDateTime SΣC 1..1 dateTime If no datetime is available for this observation it can be the current dateTime
Constraints: vs-1
... Slices for value[x] SΣC 1..1 Quantity Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
Slice: Unordered, Closed by type:$this
.... value[x]:valueQuantity SΣC 1..1 Quantity Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
..... 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 (free text)
..... system SΣC 1..1 uri System that defines coded unit form
Fixed Value: http://unitsofmeasure.org
..... code SΣ 1..1 code kg | g | [lb_av]
Binding: BodyWeightUnits (required): Common UCUM units for Body Weight.
... dataAbsentReason SC 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
... component SΣC 0..* BackboneElement Used when reporting systolic and diastolic blood pressure.
Constraints: vs-3
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code SΣ 1..1 CodeableConcept Type of component observation (code / type)
Binding: VitalSigns (extensible): This identifies the vital sign result type.
.... value[x] SΣC 0..1 Vital Sign Value recorded with UCUM
Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs.
..... valueQuantity Quantity
..... 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.

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.category Base preferred Observation Category Codes 📍4.0.1 FHIR Std.
Observation.category:VSCat Base preferred Observation Category Codes 📍4.0.1 FHIR Std.
Observation.code Base extensible Vital Signs 📍4.0.1 FHIR Std.
Observation.value[x]:valueQuantity.​comparator Base required QuantityComparator 📍4.0.1 FHIR Std.
Observation.value[x]:valueQuantity.​code Base required Body Weight Units 📍4.0.1 FHIR Std.
Observation.dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.component.​code Base extensible Vital Signs 📍4.0.1 FHIR Std.
Observation.component.​value[x] Base extensible Vital Signs Units 📍4.0.1 FHIR Std.
Observation.component.​dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
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()
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()
vs-1 error Observation.effective[x], Observation.effective[x]:effectiveDateTime if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day $this is dateTime implies $this.toString().length() >= 10
vs-2 error Observation If there is no component or hasMember element then either a value[x] or a data absent reason must be present. (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
vs-3 error Observation.component If there is no a value a data absent reason must be present value.exists() or dataAbsentReason.exists()

Differential View

This structure is derived from observation-bodyweight

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation 0..* observation-bodyweight MedNet Interface (MNI) - Body Weight
... id S 0..1 id The id is unique within the space of all resources of the same type on the same server It can be any combination of upper- or lower-case ASCII letters 'A'..'Z', and 'a'..'z', numerals ('0'..'9'), '-' and '.' with a length limit of 64 characters. (This might be an integer, an un-prefixed OID, UUID or any other identifier pattern that meets these constraints.)
... implicitRules 0..0 A set of rules under which this content was created
... modifierExtension 0..0 Extension
... Slices for category Content/Rules for all slices
.... category:VSCat S 1..1 CodeableConcept Classification of type of observation
..... coding S 1..* Coding Code defined by a terminology system
...... system S 1..1 uri Identity of the terminology system
...... code S 1..1 code Symbol in syntax defined by the system
...... display S 0..1 string Representation defined by the system
Fixed Value: Vital Signs
... code S 1..1 CodeableConcept Body Weight
.... Slices for coding Content/Rules for all slices
..... coding:BodyWeightCode S 1..1 Coding Code defined by a terminology system
...... system S 1..1 uri Identity of the terminology system
...... code S 1..1 code Symbol in syntax defined by the system
...... display S 0..1 string Representation defined by the system
Fixed Value: Body weight
... subject S 1..1 Reference(MedNet Interface (MNI) - Patient) Link to the Patient
... effectiveDateTime S 1..1 dateTime If no datetime is available for this observation it can be the current dateTime
... value[x] 1..1 Quantity Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
... valueQuantity S 1..1 Quantity Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
.... value S 1..1 decimal Numerical value (with implicit precision)
.... unit S 1..1 string Unit representation (free text)
.... system S 1..1 uri System that defines coded unit form
.... code S 1..1 code kg | g | [lb_av]

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* observation-bodyweight MedNet Interface (MNI) - Body Weight
Constraints: obs-6, obs-7, vs-2
... id SΣ 0..1 id The id is unique within the space of all resources of the same type on the same server It can be any combination of upper- or lower-case ASCII letters 'A'..'Z', and 'a'..'z', numerals ('0'..'9'), '-' and '.' with a length limit of 64 characters. (This might be an integer, an un-prefixed OID, UUID or any other identifier pattern that meets these constraints.)
... meta Σ 0..1 Meta Metadata about the resource
... language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
... text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... 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 Fixed value: final
Binding: ObservationStatus (required)
Fixed Value: final
... 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.
..... 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 SΣ 0..1 string Representation defined by the system
Fixed Value: Vital Signs
...... 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 Body Weight
Binding: VitalSigns (extensible): This identifies the vital sign result type.
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... Slices for coding Σ 1..* Coding Code defined by a terminology system
Slice: Unordered, Open by value:code, value:system
..... coding:BodyWeightCode SΣ 1..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://loinc.org
...... 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: 29463-7
...... display SΣ 0..1 string Representation defined by the system
Fixed Value: Body weight
...... 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
... subject SΣ 1..1 Reference(MedNet Interface (MNI) - Patient) Link to the Patient
... 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
... Slices for effective[x] SΣC 1..1 dateTime Often just a dateTime for Vital Signs
Slice: Unordered, Closed by type:$this
Constraints: vs-1
.... effective[x]:effectiveDateTime SΣC 1..1 dateTime If no datetime is available for this observation it can be the current dateTime
Constraints: vs-1
... issued Σ 0..1 instant Date/Time this version was made available
... performer Σ 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Who is responsible for the observation
... Slices for value[x] SΣC 1..1 Quantity Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
Slice: Unordered, Closed by type:$this
.... value[x]:valueQuantity SΣC 1..1 Quantity Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
..... 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 (free text)
..... system SΣC 1..1 uri System that defines coded unit form
Fixed Value: http://unitsofmeasure.org
..... code SΣ 1..1 code kg | g | [lb_av]
Binding: BodyWeightUnits (required): Common UCUM units for Body Weight.
... 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
Constraints: obs-3
.... 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(4.0.1) Low Range, if relevant
.... high C 0..1 SimpleQuantity(4.0.1) 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 Used when reporting systolic and diastolic blood pressure.
Constraints: vs-3
.... 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: VitalSigns (extensible): This identifies the vital sign result type.
.... value[x] SΣC 0..1 Vital Sign Value recorded with UCUM
Binding: VitalSignsUnits (extensible): Common UCUM units for recording Vital Signs.
..... valueQuantity Quantity
..... 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

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.language Base preferred Common Languages 📍4.0.1 FHIR Std.
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.category Base preferred Observation Category Codes 📍4.0.1 FHIR Std.
Observation.category:VSCat Base preferred Observation Category Codes 📍4.0.1 FHIR Std.
Observation.code Base extensible Vital Signs 📍4.0.1 FHIR Std.
Observation.value[x]:valueQuantity.​comparator Base required QuantityComparator 📍4.0.1 FHIR Std.
Observation.value[x]:valueQuantity.​code Base required Body Weight Units 📍4.0.1 FHIR Std.
Observation.dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.interpretation Base extensible Observation Interpretation Codes 📍4.0.1 FHIR Std.
Observation.bodySite Base example SNOMED CT Body Structures 📍4.0.1 FHIR Std.
Observation.method Base example Observation Methods 📍4.0.1 FHIR Std.
Observation.referenceRange.​type Base preferred Observation Reference Range Meaning Codes 📍4.0.1 FHIR Std.
Observation.referenceRange.​appliesTo Base example Observation Reference Range Applies To Codes 📍4.0.1 FHIR Std.
Observation.component.​code Base extensible Vital Signs 📍4.0.1 FHIR Std.
Observation.component.​value[x] Base extensible Vital Signs Units 📍4.0.1 FHIR Std.
Observation.component.​dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.component.​interpretation Base extensible Observation Interpretation Codes 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
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()
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()
vs-1 error Observation.effective[x], Observation.effective[x]:effectiveDateTime if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day $this is dateTime implies $this.toString().length() >= 10
vs-2 error Observation If there is no component or hasMember element then either a value[x] or a data absent reason must be present. (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())
vs-3 error Observation.component If there is no a value a data absent reason must be present value.exists() or dataAbsentReason.exists()

This structure is derived from observation-bodyweight

Summary

Mandatory: 5 elements
Must-Support: 19 elements
Fixed: 3 elements
Prohibited: 2 elements

Structures

This structure refers to these other structures:

 

Other representations of profile: CSV, Excel, Schematron