DICOM PS3.4 2025e - Service Class Specifications

CC.2.4 Report a Change in UPS Status (N-EVENT-REPORT)

This operation allows an SCP to notify an SCU of a change in state of a UPS instance or a change in state of the SCP itself. This operation shall be invoked by the SCP through the DIMSE N-EVENT-REPORT Service.

CC.2.4.1 Event Report Information

DICOM AEs that claim conformance to the UPS Event SOP Class as an SCU and/or an SCP shall support the Event Type IDs and Event Report Attributes as specified in Table CC.2.4-1.

Table CC.2.4-1. Report a Change in UPS Status - Event Report Information

Event Type Name

Event Type ID

Attribute Name

Tag

Usage (SCP)

UPS State Report

1

Procedure Step State

(0074,1000)

1

Input Readiness State

(0040,4041)

1

Reason For Cancellation

(0074,1238)

3

Procedure Step Discontinuation Reason Code Sequence

(0074,100e)

3

>Include Table 8-3a “Enhanced SCU/SCP Coded Entry Macro with no SCU Support and no Matching Key Support”

UPS Cancel Requested

2

Requesting AE

(0074,1236)

1

Reason For Cancellation

(0074,1238)

1C

Required if provided in the triggering N-ACTION

Procedure Step Discontinuation Reason Code Sequence

(0074,100e)

1C

Required if provided in the triggering N-ACTION

>Include Table 8-3a “Enhanced SCU/SCP Coded Entry Macro with no SCU Support and no Matching Key Support”

Contact URI

(0074,100a)

1C

Required if provided in the triggering N-ACTION

Contact Display Name

(0074,100c)

1C

Required if provided in the triggering N-ACTION

UPS Progress Report

3

Procedure Step Progress Information Sequence

(0074,1002)

1

>Procedure Step Progress

(0074,1004)

3

>Procedure Step Progress Description

(0074,1006)

3

>Procedure Step Progress Parameters Sequence

(0074,1007)

3

>Procedure Step Communications URI Sequence

(0074,1008)

3

>>Contact URI

(0074,100a)

1

>>Contact Display Name

(0074,100c)

3

SCP Status Change

4

SCP Status

(0074,1242)

1

Subscription List Status

(0074,1244)

1

Unified Procedure Step List Status

(0074,1246)

1

UPS Assigned

5

Scheduled Station Name Code Sequence

(0040,4025)

1C

Required if populated in the UPS Instance

>Include Table 8-3a “Enhanced SCU/SCP Coded Entry Macro with no SCU Support and no Matching Key Support”

Human Performer Code Sequence

(0040,4009)

1C

Required if populated in the UPS Instance

>Include Table 8-3a “Enhanced SCU/SCP Coded Entry Macro with no SCU Support and no Matching Key Support”

Human Performer's Organization

(0040,4036)

1C

Required if populated in the UPS Instance


Note

The meanings of the Progress Information Attribute Values in the context of a specific task are undefined, and the values may be obsolete when the UPS has moved to the COMPLETED or CANCELED state.

DICOM PS3.4 2025e - Service Class Specifications