Patient Care Coordination (PCC) Implementation Guide
                
                0.1.1-current - ci-build
                    
                    
                    
  
                    
                    
            
            
Patient Care Coordination (PCC) Implementation Guide, published by Virtually Healthcare. This guide is not an authorized publication; it is the continuous build for version 0.1.1-current built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/Virtually-Healthcare/R4/ and changes regularly. See the Directory of published versions
| Official URL: https://fhir.virtually.healthcare/StructureDefinition/reference-rest-or-logical | Version: 0.1.1-current | |||
| Draft as of 2025-08-14 | Computable Name: ReferenceRestOrLogical | |||
A Reference data type where the referenced resource could be resolvable RESTfully or pointed to logically.
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Profiles, Differentials, Snapshots and how the different presentations work.
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
C | 0..* | Reference | A reference from one resource to another Constraints: ref-1, PA-ident-1, PA-ident-2  | 
![]() ![]()  | 
SΣC | 0..1 | string | Literal reference, Relative, internal or absolute URL | 
![]() ![]()  | 
SΣC | 0..1 | Identifier | Logical reference, when literal reference is not known | 
![]() ![]() ![]()  | 
?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .  | 
![]() ![]() ![]()  | 
Σ | 0..1 | uri | The namespace for the identifier value Required Pattern: http://hl7.org/fhir/sid/us-npi  | 
![]() ![]() ![]()  | 
SΣ | 1..1 | string | The value that is unique Example General: 123456  | 
![]() ![]()  | 
SΣC | 0..1 | string | Text alternative for the resource | 
  Documentation for this format | ||||
| Path | Conformance | ValueSet | URI | 
| Reference.identifier.use | required | IdentifierUsehttp://hl7.org/fhir/ValueSet/identifier-use|4.0.1From the FHIR Standard  | 
| Id | Grade | Path(s) | Details | Requirements | 
| PA-ident-1 | error | Reference | reference or identifier must be present : reference.exists() or identifier.exists()  | |
| PA-ident-2 | error | Reference | If reference is not present, display must be present : reference.exists().not() implies display.exists()  | |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())  | |
| ref-1 | error | Reference | SHALL have a contained resource if a local reference is provided : reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))  | 
This structure is derived from Reference
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
C | 0..* | Reference | A reference from one resource to another Constraints: PA-ident-1, PA-ident-2  | 
![]() ![]()  | 
SC | 0..1 | string | Literal reference, Relative, internal or absolute URL | 
![]() ![]()  | 
SC | 0..1 | Identifier | Logical reference, when literal reference is not known | 
![]() ![]() ![]()  | 
0..1 | uri | The namespace for the identifier value Required Pattern: http://hl7.org/fhir/sid/us-npi  | |
![]() ![]() ![]()  | 
S | 1..1 | string | The value that is unique | 
![]() ![]()  | 
SC | 0..1 | string | Text alternative for the resource | 
  Documentation for this format | ||||
| Id | Grade | Path(s) | Details | Requirements | 
| PA-ident-1 | error | Reference | reference or identifier must be present : reference.exists() or identifier.exists()  | |
| PA-ident-2 | error | Reference | If reference is not present, display must be present : reference.exists().not() implies display.exists()  | 
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
C | 0..* | Reference | A reference from one resource to another Constraints: ref-1, PA-ident-1, PA-ident-2  | 
![]() ![]()  | 
0..1 | string | Unique id for inter-element referencing | |
![]() ![]()  | 
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url  | |
![]() ![]()  | 
SΣC | 0..1 | string | Literal reference, Relative, internal or absolute URL | 
![]() ![]()  | 
Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).  | 
![]() ![]()  | 
SΣC | 0..1 | Identifier | Logical reference, when literal reference is not known | 
![]() ![]() ![]()  | 
0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]()  | 
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url  | |
![]() ![]() ![]()  | 
?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .  | 
![]() ![]() ![]()  | 
Σ | 0..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.  | 
![]() ![]() ![]()  | 
Σ | 0..1 | uri | The namespace for the identifier value Required Pattern: http://hl7.org/fhir/sid/us-npi  | 
![]() ![]() ![]()  | 
SΣ | 1..1 | string | The value that is unique Example General: 123456  | 
![]() ![]() ![]()  | 
Σ | 0..1 | Period | Time period when id is/was valid for use | 
![]() ![]() ![]()  | 
Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text) | 
![]() ![]()  | 
SΣC | 0..1 | string | Text alternative for the resource | 
  Documentation for this format | ||||
| Path | Conformance | ValueSet | URI | 
| Reference.type | extensible | ResourceTypehttp://hl7.org/fhir/ValueSet/resource-typesFrom the FHIR Standard  | |
| Reference.identifier.use | required | IdentifierUsehttp://hl7.org/fhir/ValueSet/identifier-use|4.0.1From the FHIR Standard  | |
| Reference.identifier.type | extensible | Identifier Type Codeshttp://hl7.org/fhir/ValueSet/identifier-typeFrom the FHIR Standard  | 
| Id | Grade | Path(s) | Details | Requirements | 
| PA-ident-1 | error | Reference | reference or identifier must be present : reference.exists() or identifier.exists()  | |
| PA-ident-2 | error | Reference | If reference is not present, display must be present : reference.exists().not() implies display.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()  | |
| ref-1 | error | Reference | SHALL have a contained resource if a local reference is provided : reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))  | 
This structure is derived from Reference
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
C | 0..* | Reference | A reference from one resource to another Constraints: ref-1, PA-ident-1, PA-ident-2  | 
![]() ![]()  | 
SΣC | 0..1 | string | Literal reference, Relative, internal or absolute URL | 
![]() ![]()  | 
SΣC | 0..1 | Identifier | Logical reference, when literal reference is not known | 
![]() ![]() ![]()  | 
?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .  | 
![]() ![]() ![]()  | 
Σ | 0..1 | uri | The namespace for the identifier value Required Pattern: http://hl7.org/fhir/sid/us-npi  | 
![]() ![]() ![]()  | 
SΣ | 1..1 | string | The value that is unique Example General: 123456  | 
![]() ![]()  | 
SΣC | 0..1 | string | Text alternative for the resource | 
  Documentation for this format | ||||
| Path | Conformance | ValueSet | URI | 
| Reference.identifier.use | required | IdentifierUsehttp://hl7.org/fhir/ValueSet/identifier-use|4.0.1From the FHIR Standard  | 
| Id | Grade | Path(s) | Details | Requirements | 
| PA-ident-1 | error | Reference | reference or identifier must be present : reference.exists() or identifier.exists()  | |
| PA-ident-2 | error | Reference | If reference is not present, display must be present : reference.exists().not() implies display.exists()  | |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())  | |
| ref-1 | error | Reference | SHALL have a contained resource if a local reference is provided : reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))  | 
Differential View
This structure is derived from Reference
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
C | 0..* | Reference | A reference from one resource to another Constraints: PA-ident-1, PA-ident-2  | 
![]() ![]()  | 
SC | 0..1 | string | Literal reference, Relative, internal or absolute URL | 
![]() ![]()  | 
SC | 0..1 | Identifier | Logical reference, when literal reference is not known | 
![]() ![]() ![]()  | 
0..1 | uri | The namespace for the identifier value Required Pattern: http://hl7.org/fhir/sid/us-npi  | |
![]() ![]() ![]()  | 
S | 1..1 | string | The value that is unique | 
![]() ![]()  | 
SC | 0..1 | string | Text alternative for the resource | 
  Documentation for this format | ||||
| Id | Grade | Path(s) | Details | Requirements | 
| PA-ident-1 | error | Reference | reference or identifier must be present : reference.exists() or identifier.exists()  | |
| PA-ident-2 | error | Reference | If reference is not present, display must be present : reference.exists().not() implies display.exists()  | 
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
C | 0..* | Reference | A reference from one resource to another Constraints: ref-1, PA-ident-1, PA-ident-2  | 
![]() ![]()  | 
0..1 | string | Unique id for inter-element referencing | |
![]() ![]()  | 
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url  | |
![]() ![]()  | 
SΣC | 0..1 | string | Literal reference, Relative, internal or absolute URL | 
![]() ![]()  | 
Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).  | 
![]() ![]()  | 
SΣC | 0..1 | Identifier | Logical reference, when literal reference is not known | 
![]() ![]() ![]()  | 
0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]()  | 
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url  | |
![]() ![]() ![]()  | 
?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .  | 
![]() ![]() ![]()  | 
Σ | 0..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.  | 
![]() ![]() ![]()  | 
Σ | 0..1 | uri | The namespace for the identifier value Required Pattern: http://hl7.org/fhir/sid/us-npi  | 
![]() ![]() ![]()  | 
SΣ | 1..1 | string | The value that is unique Example General: 123456  | 
![]() ![]() ![]()  | 
Σ | 0..1 | Period | Time period when id is/was valid for use | 
![]() ![]() ![]()  | 
Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text) | 
![]() ![]()  | 
SΣC | 0..1 | string | Text alternative for the resource | 
  Documentation for this format | ||||
| Path | Conformance | ValueSet | URI | 
| Reference.type | extensible | ResourceTypehttp://hl7.org/fhir/ValueSet/resource-typesFrom the FHIR Standard  | |
| Reference.identifier.use | required | IdentifierUsehttp://hl7.org/fhir/ValueSet/identifier-use|4.0.1From the FHIR Standard  | |
| Reference.identifier.type | extensible | Identifier Type Codeshttp://hl7.org/fhir/ValueSet/identifier-typeFrom the FHIR Standard  | 
| Id | Grade | Path(s) | Details | Requirements | 
| PA-ident-1 | error | Reference | reference or identifier must be present : reference.exists() or identifier.exists()  | |
| PA-ident-2 | error | Reference | If reference is not present, display must be present : reference.exists().not() implies display.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()  | |
| ref-1 | error | Reference | SHALL have a contained resource if a local reference is provided : reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))  | 
This structure is derived from Reference
Other representations of profile: CSV, Excel, Schematron