CH EPREG (R4)
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CH EPREG (R4), published by HL7 Switzerland. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ballot-ci-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7ch/ch-epreg/ and changes regularly. See the Directory of published versions

Resource Profile: CH EPREG Observation: Body Weight

Official URL: http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-observation-body-weight Version: 1.0.0-ballot-ci-build
Active as of 2025-03-06 Computable Name: ChEpregObservationBodyWeight

Copyright/Legal: CC0-1.0

This profile constrains the Observation resource to represent the body weight within the context of the pregnancy passport.

Usage:

  • This Resource Profile is not used by any profiles in this Implementation Guide

Formal Views of Profile Content

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

NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation C 0..* ChEpregObservationPregProgress CH EPREG Observation: Body Weight
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
.... 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 Σ 1..1 CodeableConcept Type of observation (code / type)
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: 29463-7
... subject Σ 1..1 Reference(CH EPREG Patient: Mother) Who and/or what the observation is about
ele-1: All FHIR elements must have a @value or children
.... reference ΣC 1..1 string Literal reference, Relative, internal or absolute URL
ele-1: All FHIR elements must have a @value or children
... effective[x] Σ 1..1 dateTime Clinically relevant time/time-period for observation
ele-1: All FHIR elements must have a @value or children
... performer Σ 1..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Who is responsible for the observation
ele-1: All FHIR elements must have a @value or children
.... reference ΣC 1..1 string Literal reference, Relative, internal or absolute URL
ele-1: All FHIR elements must have a @value or children
... value[x] SΣC 1..1 Quantity Actual result
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
.... unit Σ 1..1 string Unit representation
ele-1: All FHIR elements must have a @value or children
.... system ΣC 1..1 uri System that defines coded unit form
ele-1: All FHIR elements must have a @value or children
Required Pattern: http://unitsofmeasure.org
.... code Σ 1..1 code Coded form of the unit
ele-1: All FHIR elements must have a @value or children
Required Pattern: kg
... component Σ 0..* BackboneElement Component results
ele-1: All FHIR elements must have a @value or children
.... 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 Σ 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.


ele-1: All FHIR elements must have a @value or children
.... value[x] SΣ 0..1 Actual component result
ele-1: All FHIR elements must have a @value or children
..... valueQuantity Quantity
..... valueCodeableConcept CodeableConcept
..... valueString string
..... valueBoolean boolean
..... valueInteger integer
..... valueRange Range
..... valueRatio Ratio
..... valueSampledData SampledData
..... valueTime time
..... valueDateTime dateTime
..... valuePeriod Period

doco Documentation for this format

Terminology Bindings

PathConformanceValueSet / CodeURI
Observation.statusrequiredObservationStatus
http://hl7.org/fhir/ValueSet/observation-status|4.0.1
from the FHIR Standard
Observation.categorypreferredPattern: vital-signs
http://hl7.org/fhir/ValueSet/observation-category
from the FHIR Standard
Observation.codeexamplePattern: LOINC Code 29463-7
http://hl7.org/fhir/ValueSet/observation-codes
from the FHIR Standard
Observation.value[x].comparatorrequiredQuantityComparator
http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
from the FHIR Standard
Observation.component.codeexampleLOINCCodes (a valid code from LOINC)
http://hl7.org/fhir/ValueSet/observation-codes
from the FHIR Standard

Constraints

IdGradePath(s)DetailsRequirements
dom-2errorObservationIf the resource is contained in another resource, it SHALL NOT contain nested Resources
: contained.contained.empty()
dom-3errorObservationIf 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-4errorObservationIf 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-5errorObservationIf a resource is contained in another resource, it SHALL NOT have a security label
: contained.meta.security.empty()
dom-6best practiceObservationA resource should have narrative for robust management
: text.`div`.exists()
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()
obs-6errorObservationdataAbsentReason SHALL only be present if Observation.value[x] is not present
: dataAbsentReason.empty() or value.empty()
obs-7errorObservationIf 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()

 

Other representations of profile: CSV, Excel, Schematron