## Profile Comparison between http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-clinical-result vs http://hl7.org/fhir/us/uds-plus/StructureDefinition/uds-plus-lab-observation

Left: | US Core Observation Clinical Result Profile (http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-clinical-result)
Right: | De-Identified UDS Plus Lab Observation (http://hl7.org/fhir/us/uds-plus/StructureDefinition/uds-plus-lab-observation)

### Messages

Error | StructureDefinition.url | Values for url differ: 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-clinical-result' vs 'http://hl7.org/fhir/us/uds-plus/StructureDefinition/uds-plus-lab-observation'
Error | StructureDefinition.version | Values for version differ: '9.0.0-ballot' vs '0.1.0'
Information | StructureDefinition.name | Values for name differ: 'USCoreObservationClinicalResultProfile' vs 'UDSPlusLabObservation'
Information | StructureDefinition.title | Values for title differ: 'US Core Observation Clinical Result Profile' vs 'De-Identified UDS Plus Lab Observation'
Information | StructureDefinition.date | Values for date differ: '2023-10-17' vs '2026-03-16T10:54:28+00:00'
Information | StructureDefinition.publisher | Values for publisher differ: 'HL7 International / Cross-Group Projects' vs 'HL7 International / Cross Group Projects'
Information | StructureDefinition.short | Values for short differ: 'Measurements and simple assertions' vs 'De-Identified UDS Plus Lab Observation'
Information | StructureDefinition.definition | Values for definition differ: 'Measurements and simple assertions made about a patient, device or other subject.' vs 'The UDS+ profile is based on the Observation resource and establishes the core elements, extensions, vocabularies and value sets for representing Lab Observations for UDS+ program.'
Information | StructureDefinition.short | Values for short differ: 'Logical id of this artifact' vs 'The de-identified Observation identifier created by the health center to send data to UDS+ Data Receiver'
Information | StructureDefinition.definition | Values for definition differ: 'The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.' vs 'De-dentified Observation resource identifier.'
Warning | Observation.id | Elements differ in definition for mustSupport: 'false' vs 'true'
Information | StructureDefinition.short | Values for short differ: 'Text summary of the resource, for human interpretation' vs 'Cannot include any text in the resource as part of the de-identified data.'
Information | Observation.text | Element maximum cardinalities differ: '1' vs '0'
Information | StructureDefinition.short | Values for short differ: 'Contained, inline Resources' vs 'Cannot include any contained resources in the resource as part of the de-identified data.'
Information | Observation.contained | Element maximum cardinalities differ: '2147483647' vs '0'
Information | StructureDefinition.short | Values for short differ: 'Clinical Test or Procedure Name' vs 'Type of observation (code / type)'
Information | StructureDefinition.definition | Values for definition differ: 'The name of the clinical test or procedure performed on a patient. A LOINC **SHALL** be used if the concept is present in LOINC.' vs 'Describes what was observed. Sometimes this is called the observation 'name'.'
Information | StructureDefinition.comment | Values for comment differ: 'The typical patterns for codes are: 1) a LOINC code either as a translation from a 'local' code or as a primary code, or 2) a local code only if no suitable LOINC exists, or 3) both the local and the LOINC translation. Systems SHALL be capable of sending the local code if one exists. When using LOINC , Use either the SHORTNAME or LONG_COMMON_NAME field for the display.' vs '*All* code-value and, if present, component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation.'
Information | StructureDefinition.short | Values for short differ: 'Encounter associated with Observation' vs 'Healthcare event during which this observation is made'
Warning | Observation.issued | Elements differ in definition for mustSupport: 'false' vs 'true'
Information | StructureDefinition.short | Values for short differ: 'Result Value' vs 'Actual result'
Information | StructureDefinition.definition | Values for definition differ: 'The clinical test or procedure result value. If a numeric value, valueQuantity.code **SHALL** be selected from [UCUM](http://unitsofmeasure.org). A FHIR [UCUM Codes value set](http://hl7.org/fhir/STU3/valueset-ucum-units.html) that defines all UCUM codes is in the FHIR specification.' vs 'The information determined as a result of making the observation, if the information has a simple value.'
Warning | Observation.dataAbsentReason | Elements differ in definition for mustSupport: 'true' vs 'false'
Warning | Observation.bodySite | Elements differ in definition for mustSupport: 'false' vs 'true'
Warning | Observation.component | Elements differ in definition for mustSupport: 'false' vs 'true'
Warning | Observation.component.code | Elements differ in definition for mustSupport: 'false' vs 'true'
Warning | Observation.component.value[x] | Elements differ in definition for mustSupport: 'false' vs 'true'

### Metadata

Name | Value | Comments
--- | --- | ---
abstract | false |
baseDefinition | http://hl7.org/fhir/StructureDefinition/Observation |
copyright | Used by permission of HL7 International, all rights reserved Creative Commons License |  | Removed the item 'Used by permission of HL7 International, all rights reserved Creative Commons License'
date | 2023-10-17 | 2026-03-16T10:54:28+00:00 | Values Differ
description | The US Core Observation Clinical Result Profile is based upon the core FHIR Observation Resource and, along with the US Core DiagnosticReport Profile, meets the US Core Data for Interoperability (USCDI) requirements for *Diagnostic Imaging* and *Clinical Tests* Data Classes. This profile sets minimum expectations for the Observation resource to record and search non-laboratory clinical test results (e.g., radiology and other clinical observations generated from procedures). An example would be when a gastroenterologist reports the size of a polyp observed during a colonoscopy. This profile is the basis for the US Core Laboratory Result Observation Profile, which defines additional data elements to record and search laboratory test results. The US Core Observation Clinical Result Profile sets minimum expectations to promote interoperability and adoption through common implementation. It identifies which core elements, extensions, vocabularies, and value sets **SHALL** be present in the resource and constrains the way the elements are used when using this profile. It provides the floor for standards development for specific use cases. | The UDS+ profile is based on the Observation resource and establishes the core elements, extensions, vocabularies and value sets for representing lab observations for UDS+ program. | Values Differ
experimental |  | false | Added the item 'false'
fhirVersion | 4.0.1 |
jurisdiction |  |
jurisdiction[0] | urn:iso:std:iso:3166#US |
kind | resource |
name | USCoreObservationClinicalResultProfile | UDSPlusLabObservation | Values Differ
publisher | HL7 International / Cross-Group Projects | HL7 International / Cross Group Projects | Values Differ
purpose |  |
status | active |
title | US Core Observation Clinical Result Profile | De-Identified UDS Plus Lab Observation | Values Differ
type | Observation |
url | http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-clinical-result | http://hl7.org/fhir/us/uds-plus/StructureDefinition/uds-plus-lab-observation | Values Differ
version | 9.0.0-ballot | 0.1.0 | Values Differ

### Structure

Name | L Flags | L Card. | L Type | L Description & Constraints | R Flags | R Card. | R Type | R Description & Constraints | Comments
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Observation | C | 0..* | Observation | Measurements and simple assertions Constraints: us-core-2 | C | 0..* | Observation | De-Identified UDS Plus Lab Observation |
id | Σ | 0..1 | id | Logical id of this artifact | S Σ | 0..1 | id | The de-identified Observation identifier created by the health center to send data to UDS+ Data Receiver | Elements differ in definition for mustSupport: 'false' vs 'true'
meta | Σ | 0..1 | Meta | Metadata about the resource | Σ | 0..1 | Meta | Metadata about the resource |
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created | ?!Σ | 0..1 | uri | A set of rules under which this content was created |
language |  | 0..1 | code | Language of the resource content Binding: ?? (preferred): A human language.
Additional Bindings | Purpose
?? | Max Binding
|  | 0..1 | code | Language of the resource content Binding: ?? (preferred): A human language.
Additional Bindings | Purpose
?? | 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 |  | 0..0 |  | Cannot include any text in the resource as part of the de-identified data. This profile does not constrain the narrative in regard to content, language, or traceability to data elements | Element maximum cardinalities differ: '1' vs '0'
contained |  | 0..* | Resource | Contained, inline Resources |  | 0..0 |  | Cannot include any contained resources in the resource as part of the de-identified data. | Element maximum cardinalities differ: '2147483647' vs '0'
extension |  | 0..* | Extension | Additional content defined by implementations |  | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | ?! | 0..* | Extension | Extensions that cannot be ignored |
identifier | Σ | 0..* | Identifier | Business Identifier for observation | Σ | 0..* | Identifier | Business Identifier for observation |
basedOn | Σ | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order | 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 | Σ | 0..* | Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) | Part of referenced event |
status | ?!S Σ | 1..1 | code | registered | preliminary | final | amended + Binding: ?? (required): Codes providing the status of an observation. | ?!S Σ | 1..1 | code | registered | preliminary | final | amended + Binding: ?? (required): Codes providing the status of an observation. |
Slices for category | S | 1..* | CodeableConcept | Classification of type of observation Slice: Unordered, Open by value:$this Binding: ?? (preferred): Codes for high level observation categories. | S | 1..* | CodeableConcept | Classification of type of observation Binding: ?? (preferred): Codes for high level observation categories. |
code | S Σ | 1..1 | CodeableConcept | Clinical Test or Procedure Name Binding: ?? (extensible) | S Σ | 1..1 | CodeableConcept | Type of observation (code / type) Binding: ?? (extensible): The set of codes indicating the Observations |
subject | S Σ | 1..1 | Reference(US Core Patient Profile S | Group | US Core Device Profile | US Core Location Profile) | Who and/or what the observation is about | S Σ | 1..1 | Reference(De-Identified UDS Plus Patient) | Who and/or what the observation is about |
id |  |  |  |  |  | 0..1 | string | Unique id for inter-element referencing | Added this element
Slices for extension |  |  |  |  |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | Added this element
reference |  |  |  |  | Σ C | 0..1 | string | Literal reference, Relative, internal or absolute URL | Added this element
type |  |  |  |  | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ?? (extensible): Aa resource (or, for logical models, the URI of the logical model). | Added this element
identifier |  |  |  |  | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known | Added this element
display |  |  |  |  | Σ | 0..0 |  | Text alternative for the resource | Added this element
focus | Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record | Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record |
encounter | S Σ | 0..1 | Reference(US Core Encounter Profile) | Encounter associated with Observation | S Σ | 0..1 | Reference(De-Identified UDS Plus Encounter) | Healthcare event during which this observation is made |
id |  |  |  |  |  | 0..1 | string | Unique id for inter-element referencing | Added this element
Slices for extension |  |  |  |  |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | Added this element
reference |  |  |  |  | Σ C | 0..1 | string | Literal reference, Relative, internal or absolute URL | Added this element
type |  |  |  |  | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ?? (extensible): Aa resource (or, for logical models, the URI of the logical model). | Added this element
identifier |  |  |  |  | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known | Added this element
display |  |  |  |  | Σ | 0..0 |  | Text alternative for the resource | Added this element
effective[x] | S Σ C | 0..1 | dateTime S, Period, Timing, instant | Clinically relevant time/time-period for observation Constraints: us-core-1 | S Σ | 0..1 | dateTime, Period, Timing, instant | Clinically relevant time/time-period for observation |
issued | Σ | 0..1 | instant | Date/Time this version was made available | S Σ | 0..1 | instant | Date/Time this version was made available | Elements differ in definition for mustSupport: 'false' vs 'true'
performer | S Σ | 0..* | Reference(US Core Practitioner Profile S | US Core Organization Profile | US Core Patient Profile | PractitionerRole | US Core CareTeam Profile | US Core RelatedPerson Profile) | Who is responsible for the observation | S Σ | 0..* | Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) | Who is responsible for the observation |
value[x] | S Σ C | 0..1 | Quantity S, CodeableConcept S, string S, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period | Result Value Constraints: us-core-3 | S Σ C | 0..1 | Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period | Actual result |
dataAbsentReason | S C | 0..1 | CodeableConcept | Why the result is missing Binding: ?? (extensible): Codes specifying why the result (Observation.value[x]) is missing. | C | 0..1 | CodeableConcept | Why the result is missing Binding: ?? (extensible): Codes specifying why the result (Observation.value[x]) is missing. | Elements differ in definition for mustSupport: 'true' vs 'false'
interpretation |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ?? (extensible): Codes identifying interpretations of observations. |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ?? (extensible): Codes identifying interpretations of observations. |
note |  | 0..* | Annotation | Comments about the observation |  | 0..* | Annotation | Comments about the observation |
bodySite |  | 0..1 | CodeableConcept | Observed body part Binding: ?? (example): Codes describing anatomical locations. May include laterality. | S | 0..1 | CodeableConcept | Observed body part Binding: ?? (example): Codes describing anatomical locations. May include laterality. | Elements differ in definition for mustSupport: 'false' vs 'true'
method |  | 0..1 | CodeableConcept | How it was done Binding: ?? (example): Methods for simple observations. |  | 0..1 | CodeableConcept | How it was done Binding: ?? (example): Methods for simple observations. |
specimen |  | 0..1 | Reference(Specimen) | Specimen used for this observation |  | 0..1 | Reference(Specimen) | Specimen used for this observation |
device |  | 0..1 | Reference(Device | DeviceMetric) | (Measurement) Device |  | 0..1 | Reference(Device | DeviceMetric) | (Measurement) Device |
referenceRange | C | 0..* | BackboneElement | Provides guide for interpretation | C | 0..* | BackboneElement | Provides guide for interpretation |
id |  | 0..1 | string | Unique id for inter-element referencing |  | 0..1 | string | Unique id for inter-element referencing |
extension |  | 0..* | Extension | Additional content defined by implementations |  | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
low | C | 0..1 | ?? | Low Range, if relevant | C | 0..1 | ?? | Low Range, if relevant |
high | C | 0..1 | ?? | High Range, if relevant | C | 0..1 | ?? | High Range, if relevant |
type |  | 0..1 | CodeableConcept | Reference range qualifier Binding: ?? (preferred): Code for the meaning of a reference range. |  | 0..1 | CodeableConcept | Reference range qualifier Binding: ?? (preferred): Code for the meaning of a reference range. |
appliesTo |  | 0..* | CodeableConcept | Reference range population Binding: ?? (example): Codes identifying the population the reference range applies to. |  | 0..* | CodeableConcept | Reference range population Binding: ?? (example): Codes identifying the population the reference range applies to. |
age |  | 0..1 | Range | Applicable age range, if relevant |  | 0..1 | Range | Applicable age range, if relevant |
text |  | 0..1 | string | Text based reference range in an observation |  | 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 | 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 | Σ | 0..* | Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) | Related measurements the observation is made from |
component | Σ | 0..* | BackboneElement | Component results | S Σ | 0..* | BackboneElement | Component results | Elements differ in definition for mustSupport: 'false' vs 'true'
id |  | 0..1 | string | Unique id for inter-element referencing |  | 0..1 | string | Unique id for inter-element referencing |
extension |  | 0..* | Extension | Additional content defined by implementations |  | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
code | Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: ?? (example): Codes identifying names of simple observations. | S Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: ?? (extensible): The set of codes indicating the Observations | Elements differ in definition for mustSupport: 'false' vs 'true'
value[x] | Σ | 0..1 | Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period | Actual component result | S Σ | 0..1 | Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period | Actual component result | Elements differ in definition for mustSupport: 'false' vs 'true'
dataAbsentReason | C | 0..1 | CodeableConcept | Why the component result is missing Binding: ?? (extensible): Codes specifying why the result (Observation.value[x]) is missing. | C | 0..1 | CodeableConcept | Why the component result is missing Binding: ?? (extensible): Codes specifying why the result (Observation.value[x]) is missing. |
interpretation |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ?? (extensible): Codes identifying interpretations of observations. |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ?? (extensible): Codes identifying interpretations of observations. |
referenceRange |  | 0..* | See referenceRange (Observation) | Provides guide for interpretation of component result |  | 0..* | See referenceRange (Observation) | Provides guide for interpretation of component result |
id |  | 0..1 | string | Unique id for inter-element referencing |  | 0..1 | string | Unique id for inter-element referencing |
extension |  | 0..* | Extension | Additional content defined by implementations |  | 0..* | Extension | Additional content defined by implementations |
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
low | C | 0..1 | ?? | Low Range, if relevant | C | 0..1 | ?? | Low Range, if relevant |
high | C | 0..1 | ?? | High Range, if relevant | C | 0..1 | ?? | High Range, if relevant |
type |  | 0..1 | CodeableConcept | Reference range qualifier Binding: ?? (preferred): Code for the meaning of a reference range. |  | 0..1 | CodeableConcept | Reference range qualifier Binding: ?? (preferred): Code for the meaning of a reference range. |
appliesTo |  | 0..* | CodeableConcept | Reference range population Binding: ?? (example): Codes identifying the population the reference range applies to. |  | 0..* | CodeableConcept | Reference range population Binding: ?? (example): Codes identifying the population the reference range applies to. |
age |  | 0..1 | Range | Applicable age range, if relevant |  | 0..1 | Range | Applicable age range, if relevant |
text |  | 0..1 | string | Text based reference range in an observation |  | 0..1 | string | Text based reference range in an observation |
Documentation for this format