COVID-19 FHIR Profile Library IG Informative Version
1.0.0 - Informative United States of America flag

COVID-19 FHIR Profile Library IG Informative Version, published by HL7 International - Clinical Information Modeling Initiative. This is not an authorized publication; it is the continuous build for version 1.0.0). This version is based on the current content of https://github.com/HL7/fhir-COVID19Library-ig/ and changes regularly. See the Directory of published versions

Resource Profile: Gestational Age at Onset of Illness

Official URL: http://hl7.org/fhir/us/covid19library/StructureDefinition/gestational-age-at-onset-of-illness Version: 1.0.0
Active as of 2022-07-25 Computable Name: GestationalAgeAtOnsetOfIllness

Copyright/Legal: HL7 International & Logica Health, all rights reserved Creative Commons License

The number of weeks the subject was pregnant when a given illness began.

Usage:

Formal Views of Profile Content

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

This structure is derived from Observation

Summary

Prohibited: 7 elements

Slices

This structure defines the following Slices:

  • The element Observation.value[x] is sliced based on the value of type:$this

This structure is derived from Observation

NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation 0..*ObservationMeasurements and simple assertions
... code 1..1CodeableConceptType of observation (code / type)
Required Pattern: At least the following
.... coding1..*CodingCode defined by a terminology system
Fixed Value: (complex)
..... system1..1uriIdentity of the terminology system
Fixed Value: http://loinc.org
..... code1..1codeSymbol in syntax defined by the system
Fixed Value: 81270-1
..... display1..1stringRepresentation defined by the system
Fixed Value: Gestational age in weeks--at onset of illness
... value[x] 0..1QuantityActual result
Slice: Unordered, Open by type:$this
... valueQuantity 0..1QuantityActual result
.... code 0..1codeCoded form of the unit
Required Pattern: wk
... bodySite 0..0
... method 0..0
... specimen 0..0
... device 0..0
... referenceRange 0..0
... hasMember 0..0

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation I0..*ObservationMeasurements and simple assertions
... id Σ0..1stringLogical id of this artifact
... meta Σ0..1MetaMetadata about the resource
... implicitRules ?!Σ0..1uriA set of rules under which this content was created
... text 0..1NarrativeText summary of the resource, for human interpretation
... contained 0..*ResourceContained, inline Resources
... extension 0..*ExtensionAdditional content defined by implementations
... modifierExtension ?!0..*ExtensionExtensions that cannot be ignored
... identifier Σ0..*IdentifierBusiness Identifier for observation
... basedOn Σ0..*Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)Fulfills plan, proposal or order
... partOf Σ0..*Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy)Part of referenced event
... status ?!Σ1..1coderegistered | preliminary | final | amended +
Binding: ObservationStatus (required): Codes providing the status of an observation.

... category 0..*CodeableConceptClassification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.


... code Σ1..1CodeableConceptType of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.


Required Pattern: At least the following
.... id0..1stringUnique id for inter-element referencing
.... extension0..*ExtensionAdditional content defined by implementations
.... coding1..*CodingCode defined by a terminology system
Fixed Value: (complex)
..... id0..1stringUnique id for inter-element referencing
..... extension0..*ExtensionAdditional content defined by implementations
..... system1..1uriIdentity of the terminology system
Fixed Value: http://loinc.org
..... version0..1stringVersion of the system - if relevant
..... code1..1codeSymbol in syntax defined by the system
Fixed Value: 81270-1
..... display1..1stringRepresentation defined by the system
Fixed Value: Gestational age in weeks--at onset of illness
..... userSelected0..1booleanIf this coding was chosen directly by the user
.... text0..1stringPlain text representation of the concept
... subject Σ0..1Reference(Patient | Group | Device | Location)Who and/or what the observation is about
... focus Σ0..*Reference(Resource)What the observation is about, when it is not about the subject of record
... encounter Σ0..1Reference(Encounter)Healthcare event during which this observation is made
... effective[x] Σ0..1Clinically relevant time/time-period for observation
.... effectiveDateTimedateTime
.... effectivePeriodPeriod
.... effectiveTimingTiming
.... effectiveInstantinstant
... issued Σ0..1instantDate/Time this version was made available
... performer Σ0..*Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)Who is responsible for the observation
... Slices for value[x] ΣI0..1QuantityActual result
Slice: Unordered, Closed by type:$this
.... value[x]:valueQuantity ΣI0..1QuantityActual result
..... id 0..1stringUnique id for inter-element referencing
..... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
..... value Σ0..1decimalNumerical value (with implicit precision)
..... comparator ?!Σ0..1code< | <= | >= | > - how to understand the value
Binding: QuantityComparator (required): How the Quantity should be understood and represented.

..... unit Σ0..1stringUnit representation
..... system ΣI0..1uriSystem that defines coded unit form
..... code Σ0..1codeCoded form of the unit
Required Pattern: wk
... dataAbsentReason I0..1CodeableConceptWhy the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.

... note 0..*AnnotationComments about the observation
... derivedFrom Σ0..*Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence)Related measurements the observation is made from
... component Σ0..*BackboneElementComponent results
.... id 0..1stringUnique id for inter-element referencing
.... extension 0..*ExtensionAdditional content defined by implementations
.... modifierExtension ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
.... code Σ1..1CodeableConceptType of component observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.

.... value[x] Σ0..1Actual component result
..... valueQuantityQuantity
..... valueCodeableConceptCodeableConcept
..... valueStringstring
..... valueBooleanboolean
..... valueIntegerinteger
..... valueRangeRange
..... valueRatioRatio
..... valueSampledDataSampledData
..... valueTimetime
..... valueDateTimedateTime
..... valuePeriodPeriod
.... dataAbsentReason I0..1CodeableConceptWhy the component result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.

.... interpretation 0..*CodeableConceptHigh, 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

This structure is derived from Observation

Summary

Prohibited: 7 elements

Slices

This structure defines the following Slices:

  • The element Observation.value[x] is sliced based on the value of type:$this

Differential View

This structure is derived from Observation

NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation 0..*ObservationMeasurements and simple assertions
... code 1..1CodeableConceptType of observation (code / type)
Required Pattern: At least the following
.... coding1..*CodingCode defined by a terminology system
Fixed Value: (complex)
..... system1..1uriIdentity of the terminology system
Fixed Value: http://loinc.org
..... code1..1codeSymbol in syntax defined by the system
Fixed Value: 81270-1
..... display1..1stringRepresentation defined by the system
Fixed Value: Gestational age in weeks--at onset of illness
... value[x] 0..1QuantityActual result
Slice: Unordered, Open by type:$this
... valueQuantity 0..1QuantityActual result
.... code 0..1codeCoded form of the unit
Required Pattern: wk
... bodySite 0..0
... method 0..0
... specimen 0..0
... device 0..0
... referenceRange 0..0
... hasMember 0..0

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation I0..*ObservationMeasurements and simple assertions
... id Σ0..1stringLogical id of this artifact
... meta Σ0..1MetaMetadata about the resource
... implicitRules ?!Σ0..1uriA set of rules under which this content was created
... text 0..1NarrativeText summary of the resource, for human interpretation
... contained 0..*ResourceContained, inline Resources
... extension 0..*ExtensionAdditional content defined by implementations
... modifierExtension ?!0..*ExtensionExtensions that cannot be ignored
... identifier Σ0..*IdentifierBusiness Identifier for observation
... basedOn Σ0..*Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)Fulfills plan, proposal or order
... partOf Σ0..*Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy)Part of referenced event
... status ?!Σ1..1coderegistered | preliminary | final | amended +
Binding: ObservationStatus (required): Codes providing the status of an observation.

... category 0..*CodeableConceptClassification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.


... code Σ1..1CodeableConceptType of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.


Required Pattern: At least the following
.... id0..1stringUnique id for inter-element referencing
.... extension0..*ExtensionAdditional content defined by implementations
.... coding1..*CodingCode defined by a terminology system
Fixed Value: (complex)
..... id0..1stringUnique id for inter-element referencing
..... extension0..*ExtensionAdditional content defined by implementations
..... system1..1uriIdentity of the terminology system
Fixed Value: http://loinc.org
..... version0..1stringVersion of the system - if relevant
..... code1..1codeSymbol in syntax defined by the system
Fixed Value: 81270-1
..... display1..1stringRepresentation defined by the system
Fixed Value: Gestational age in weeks--at onset of illness
..... userSelected0..1booleanIf this coding was chosen directly by the user
.... text0..1stringPlain text representation of the concept
... subject Σ0..1Reference(Patient | Group | Device | Location)Who and/or what the observation is about
... focus Σ0..*Reference(Resource)What the observation is about, when it is not about the subject of record
... encounter Σ0..1Reference(Encounter)Healthcare event during which this observation is made
... effective[x] Σ0..1Clinically relevant time/time-period for observation
.... effectiveDateTimedateTime
.... effectivePeriodPeriod
.... effectiveTimingTiming
.... effectiveInstantinstant
... issued Σ0..1instantDate/Time this version was made available
... performer Σ0..*Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)Who is responsible for the observation
... Slices for value[x] ΣI0..1QuantityActual result
Slice: Unordered, Closed by type:$this
.... value[x]:valueQuantity ΣI0..1QuantityActual result
..... id 0..1stringUnique id for inter-element referencing
..... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
..... value Σ0..1decimalNumerical value (with implicit precision)
..... comparator ?!Σ0..1code< | <= | >= | > - how to understand the value
Binding: QuantityComparator (required): How the Quantity should be understood and represented.

..... unit Σ0..1stringUnit representation
..... system ΣI0..1uriSystem that defines coded unit form
..... code Σ0..1codeCoded form of the unit
Required Pattern: wk
... dataAbsentReason I0..1CodeableConceptWhy the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.

... note 0..*AnnotationComments about the observation
... derivedFrom Σ0..*Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence)Related measurements the observation is made from
... component Σ0..*BackboneElementComponent results
.... id 0..1stringUnique id for inter-element referencing
.... extension 0..*ExtensionAdditional content defined by implementations
.... modifierExtension ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
.... code Σ1..1CodeableConceptType of component observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.

.... value[x] Σ0..1Actual component result
..... valueQuantityQuantity
..... valueCodeableConceptCodeableConcept
..... valueStringstring
..... valueBooleanboolean
..... valueIntegerinteger
..... valueRangeRange
..... valueRatioRatio
..... valueSampledDataSampledData
..... valueTimetime
..... valueDateTimedateTime
..... valuePeriodPeriod
.... dataAbsentReason I0..1CodeableConceptWhy the component result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.

.... interpretation 0..*CodeableConceptHigh, 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

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

PathConformanceValueSet / Code
Observation.languagepreferredCommonLanguages
Max Binding: AllLanguages
Observation.statusrequiredObservationStatus
Observation.categorypreferredObservationCategoryCodes
Observation.codeexamplePattern: LOINC code 81270-1("Gestational age in weeks--at onset of illness")
Observation.value[x]:valueQuantity.comparatorrequiredQuantityComparator
Observation.dataAbsentReasonextensibleDataAbsentReason
Observation.referenceRange.typepreferredObservationReferenceRangeMeaningCodes
Observation.referenceRange.appliesToexampleObservationReferenceRangeAppliesToCodes
Observation.component.codeexampleLOINCCodes
Observation.component.dataAbsentReasonextensibleDataAbsentReason
Observation.component.interpretationextensibleObservationInterpretationCodes