CodeX Radiation Therapy, published by HL7 International / Cross-Group Projects. This guide is not an authorized publication; it is the continuous build for version 2.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/codex-radiation-therapy/ and changes regularly. See the Directory of published versions

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Extension: Reference to DICOM SOP Instance

A reference to a DICOM SOP Instance.

Context of Use

This extension may be used on the following element(s)

• Element ID: Procedure
• Element ID: ServiceRequest
• Element ID: Observation
• Element ID: DiagnosticReport
• Element ID: DetectedIssue

Usage info

Usages:

• Use this Extension: Radiotherapy Treated Fraction, Radiotherapy Treated Plan and Radiotherapy Treatment Plan
• Examples for this Extension: Procedure/RadiotherapyTreatedFraction-05-Prostate-Phase1-Plan1-Fx2, Procedure/RadiotherapyTreatedPlan-05-Prostate-Phase1-Plan1 and ServiceRequest/RadiotherapyTreatmentPlan-04-Prostate-Phase1-Plan1

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description Differentials, Snapshots, and other representations.

• Differential Table
• Snapshot Table
• Statistics/References
• All

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension		0..*	Extension	Reference to DICOM SOP Instance
extension		1..*	Extension	Extension
Slices for extension				Content/Rules for all slices
extension:instanceUid	S	1..1	Extension	DICOM SOP Instance UID
extension		0..0		Extension
url		1..1	uri	"instanceUid"
value[x]		1..1	id	Value of extension
extension:sopClass	S	0..1	Extension	DICOM SOP Class
extension		0..0		Extension
url		1..1	uri	"sopClass"
value[x]		1..1	Coding	Value of extension
url		1..1	uri	"http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-dicom-reference"
value[x]		0..0		Value of extension
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension		0..*	Extension	Reference to DICOM SOP Instance
id		0..1	string	Unique id for inter-element referencing
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
extension:instanceUid	S	1..1	Extension	DICOM SOP Instance UID
id		0..1	string	Unique id for inter-element referencing
extension		0..0		Extension Slice: Unordered, Open by value:url
url		1..1	uri	"instanceUid"
value[x]		1..1	id	Value of extension
extension:sopClass	S	0..1	Extension	DICOM SOP Class
id		0..1	string	Unique id for inter-element referencing
extension		0..0		Extension Slice: Unordered, Open by value:url
url		1..1	uri	"sopClass"
value[x]		1..1	Coding	Value of extension
url		1..1	uri	"http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-dicom-reference"
Documentation for this format

Constraints

Id	Grade	Path(s)	Description	Expression
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()

Summary

Complex Extension: A reference to a DICOM SOP Instance.

• instanceUid: id: A single SOP instance.
• sopClass: Coding: The type of DICOM Service Object Pair (SOP).

Differential ViewDifferential View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension		0..*	Extension	Reference to DICOM SOP Instance
extension		1..*	Extension	Extension
Slices for extension				Content/Rules for all slices
extension:instanceUid	S	1..1	Extension	DICOM SOP Instance UID
extension		0..0		Extension
url		1..1	uri	"instanceUid"
value[x]		1..1	id	Value of extension
extension:sopClass	S	0..1	Extension	DICOM SOP Class
extension		0..0		Extension
url		1..1	uri	"sopClass"
value[x]		1..1	Coding	Value of extension
url		1..1	uri	"http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-dicom-reference"
value[x]		0..0		Value of extension
Documentation for this format

Snapshot View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension		0..*	Extension	Reference to DICOM SOP Instance
id		0..1	string	Unique id for inter-element referencing
Slices for extension		1..*	Extension	Extension Slice: Unordered, Open by value:url
extension:instanceUid	S	1..1	Extension	DICOM SOP Instance UID
id		0..1	string	Unique id for inter-element referencing
extension		0..0		Extension Slice: Unordered, Open by value:url
url		1..1	uri	"instanceUid"
value[x]		1..1	id	Value of extension
extension:sopClass	S	0..1	Extension	DICOM SOP Class
id		0..1	string	Unique id for inter-element referencing
extension		0..0		Extension Slice: Unordered, Open by value:url
url		1..1	uri	"sopClass"
value[x]		1..1	Coding	Value of extension
url		1..1	uri	"http://hl7.org/fhir/us/codex-radiation-therapy/StructureDefinition/codexrt-dicom-reference"
Documentation for this format

Constraints

Id	Grade	Path(s)	Description	Expression
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()

Summary

Complex Extension: A reference to a DICOM SOP Instance.

• instanceUid: id: A single SOP instance.
• sopClass: Coding: The type of DICOM Service Object Pair (SOP).

Other representations of profile: CSV, Excel, Schematron