DICOM PS3.2 2023a - Conformance

N.5.2.4 Instance Availability Notification Service

N.5.2.4.1 SCU of the Instance Availability Notification SOP Class

As a Service Class User of the Instance Availability Notification SOP Class, the system uses the N-CREATE-RQ message to inform remote SCPs about the availability and status of instances stored. Details of the message content are summarized in Table N.5-6.

In the "Source" column the following Values can be used:

  • FIXED: The Value is predefined and cannot be modified by data entry or by configuration.

  • GENERATED: The Value is generated by the system (e.g., current date as the study date).

  • CONFIGURATION: The Value is dependent on system configuration.

  • IMAGE: The Value is copied from the SOP Instance.

  • MWL: The Value is copied from Modality Worklist entry.

  • MPPS: The Value is copied from the MPPS message.

[The table below lists some Attribute for instance availability notification as examples. Complete table with Attributes supported by your product. For the "Source" column use Values as defined above.]

Table N.5-6. Supported N-CREATE Attributes for Instance Availability Notification - SCU

Attribute Name

Tag

Source

Value

Comments

Specific Character Set

(0008,0005)

FIXED

ISO_IR 100

Referenced Performed Procedure Step Sequence

(0008,1111)

GENERATED

>…

(0008,1150)

>Performed Workitem Code Sequence

(0040,4019)

GENERATED

>>…

Study Instance UID

(0020,000D)

IMAGE

Referenced Series Sequence

(0008,1115)

IMAGE

>Series Instance UID

(0020,000E)

IMAGE

>Referenced SOP Sequence

(0008,1199)

IMAGE

>>…

>>Instance Availability

(0008,0056)

GENERATED

See Table N.5-7

>>Retrieve AE Title

(0008,0054)

CONFIGURATION


The <Product> supports the Values listed in Table N.5-7, for the Instance Availability (0018,0056) Attribute.

[Fill in the table with Values supported for the Instance Availability Attribute and define the meaning of these Values in the context of your <Product>]

Table N.5-7. Meaning of Instance Availability Values- SCU

Value

Meaning

ONLINE

NEARLINE

OFFLINE

UNAVAILABLE


[Describe the mechanism that triggers sending of an Instance Availability Notification, the frequency and retrieve capabilities for referenced instances.]

[Describe the relationship between the Instance Availability Notification and Performed Procedure Step SOP Class, if both are supported.]

DICOM PS3.2 2023a - Conformance