Unified Procedure Step Service Class¶
The Unified Procedure Step Service Class defines a service that uses the DIMSE C-FIND, N-CREATE, N-SET, N-ACTION, N-EVENT-REPORT and N-GET services to facilitate management of simple worklists, including creation of new worklist items, querying worklists and communicating progress and results.
Supported SOP Classes¶
| UID | SOP Class | 
|---|---|
| 1.2.840.10008.5.1.4.34.6.1 | UnifiedProcedureStepPushSOPClass | 
| 1.2.840.10008.5.1.4.34.6.2 | UnifiedProcedureStepWatchSOPClass | 
| 1.2.840.10008.5.1.4.34.6.3 | UnifiedProcedureStepPullSOPClass | 
| 1.2.840.10008.5.1.4.34.6.4 | UnifiedProcedureStepEventSOPClass | 
| 1.2.840.10008.5.1.4.34.6.5 | UnifiedProcedureStepQuerySOPClass | 
DIMSE Services¶
| DIMSE Service | Usage SCU/SCP | 
|---|---|
| Unified Procedure Step Push SOP Class | |
| N-CREATE | Mandatory/Mandatory | 
| N-ACTION - Request cancel | Optional/Mandatory | 
| N-GET | Optional/Mandatory | 
| Unified Procedure Step Pull SOP Class | |
| C-FIND | Mandatory/Mandatory | 
| N-GET | Mandatory/Mandatory | 
| N-SET | Mandatory/Mandatory | 
| N-ACTION | Mandatory/Mandatory | 
| Unified Procedure Step Watch SOP Class | |
| N-ACTION - Un/subscribe | Mandatory/Mandatory | 
| N-GET | Mandatory/Mandatory | 
| C-FIND | Optional/Mandatory | 
| N-ACTION - Request cancel | Optional/Mandatory | 
| Unified Procedure Step Event SOP Class | |
| N-EVENT-REPORT | Mandatory/Mandatory | 
| Unified Procedure Step Query SOP Class | |
| C-FIND | Mandatory/Mandatory | 
Statuses¶
C-FIND Statuses¶
| Code (hex) | Category | Description | 
|---|---|---|
| 0x0000 | Success | Success | 
| 0x0122 | Failure | SOP Class not supported | 
| 0xFE00 | Cancel | Processing has been terminated | 
UPS C-FIND Service Statuses¶
| Code (hex) | Category | Description | 
|---|---|---|
| 0xA700 | Failure | Out of resources | 
| 0xA900 | Failure | Dataset does not match SOP Class | 
| 0xC000 to 0xCFFF | Failure | Unable to process | 
| 0xFF00 | Pending | Matches are continuing | 
| 0xFF01 | Pending | Matches are continuing; one or more Optional keys was not supported | 
pynetdicom C-FIND Statuses¶
| Code (hex) | Category | Description | 
|---|---|---|
| 0xC001 | Failure | Handler bound to  | 
| 0xC002 | Failure | Handler bound to  | 
| 0xC310 | Failure | Failed to decode the dataset received from the peer | 
| 0xC311 | Failure | Unhandled exception raised by the handler
bound to  | 
| 0xC312 | Failure | Failed to encode the dataset received from
the handler bound to  | 
N-ACTION Statuses¶
| Code (hex) | Category | Description | 
|---|---|---|
| 0x0000 | Success | Success | 
| 0x0112 | Failure | No such SOP Instance | 
| 0x0114 | Failure | No such argument | 
| 0x0115 | Failure | Invalid argument value | 
| 0x0117 | Failure | Invalid object instance | 
| 0x0118 | Failure | No such SOP Class | 
| 0x0119 | Failure | Class-Instance conflict | 
| 0x0123 | Failure | No such action | 
| 0x0124 | Failure | Refused: not authorised | 
| 0x0210 | Failure | Duplicate invocation | 
| 0x0211 | Failure | Unrecognised operation | 
| 0x0212 | Failure | Mistyped argument | 
| 0x0213 | Failure | Resource limitation | 
UPS N-ACTION Service Statuses¶
| Code (hex) | Category | Description | 
|---|---|---|
| 0xB301 | Warning | Deletion Lock not granted | 
| 0xB304 | Warning | The UPS is already in the requested state of CANCELED | 
| 0xB306 | Warning | The UPS is already in the requested state of COMPLETED | 
| 0xC300 | Failure | The UPS may not longer be updated | 
| 0xC301 | Failure | The correct Transaction UID was not provided | 
| 0xC302 | Failure | The UPS is already IN PROGRESS | 
| 0xC303 | Failure | The UPS may only become SCHEDULED via N-CREATE, not N-SET or N-ACTION | 
| 0xC304 | Failure | The UPS has not met final state requirements for the requested state change | 
| 0xC307 | Failure | Specified SOP Instance UID does not exist or is not a UPS Instance managed by this SCP | 
| 0xC308 | Failure | Receiving AE-TITLE is Unknown to this SCP | 
| 0xC310 | Failure | The UPS is not yet in the IN PROGRESS state | 
| 0xC311 | Failure | The UPS is already COMPLETED | 
| 0xC312 | Failure | The performer cannot be contacted | 
| 0xC313 | Failure | Performer chooses not to cancel | 
| 0xC314 | Failure | Specified action is not appropriate for specified instance | 
| 0xC315 | Failure | SCP does not support Event Reports | 
N-CREATE Statuses¶
| Code (hex) | Category | Description | 
|---|---|---|
| 0x0000 | Success | Success | 
| 0x0105 | Success | No such attribute | 
| 0x0106 | Success | Invalid attribute value | 
| 0x0107 | Success | Attribute list error | 
| 0x0110 | Success | Processing failure | 
| 0x0111 | Success | Duplicate SOP Instance | 
| 0x0116 | Success | Attribute value out of range | 
| 0x0117 | Success | Invalid object instance | 
| 0x0118 | Success | No such SOP Class | 
| 0x0120 | Success | Missing attribute | 
| 0x0121 | Success | Missing attribute value | 
| 0x0124 | Success | Refused: not authorised | 
| 0x0210 | Success | Duplicate invocation | 
| 0x0211 | Success | Unrecognised operation | 
| 0x0212 | Success | Mistyped argument | 
| 0x0213 | Success | Resource limitation | 
UPS N-CREATE Service Statuses¶
| Code (hex) | Category | Description | 
|---|---|---|
| 0xB300 | Warning | The UPS was created with modifications | 
| 0xC309 | Failure | The provided value of UPS State was not SCHEDULED | 
N-EVENT-REPORT Statuses¶
| Code (hex) | Category | Description | 
|---|---|---|
| 0x0000 | Success | Success | 
| 0x0110 | Failure | Processing failure | 
| 0x0112 | Failure | No such SOP Instance | 
| 0x0113 | Failure | No such event type | 
| 0x0114 | Failure | No such argument | 
| 0x0115 | Failure | Invalid argument value | 
| 0x0117 | Failure | Invalid object Instance | 
| 0x0118 | Failure | No such SOP Class | 
| 0x0119 | Failure | Class-Instance conflict | 
| 0x0210 | Failure | Duplicate invocation | 
| 0x0211 | Failure | Unrecognised operation | 
| 0x0212 | Failure | Mistyped argument | 
| 0x0213 | Failure | Resource limitation | 
N-GET Statuses¶
| Code (hex) | Category | Description | 
|---|---|---|
| 0x0000 | Success | Success | 
| 0x0107 | Warning | SOP Class not supported | 
| 0x0110 | Failure | Processing failure | 
| 0x0112 | Failure | No such SOP Instance | 
| 0x0117 | Failure | Invalid object instance | 
| 0x0118 | Failure | No such SOP Class | 
| 0x0119 | Failure | Class-Instance conflict | 
| 0x0122 | Failure | SOP class not supported | 
| 0x0124 | Failure | Not authorised | 
| 0x0210 | Failure | Duplicate invocation | 
| 0x0211 | Failure | Unrecognised operation | 
| 0x0212 | Failure | Mistyped argument | 
| 0x0213 | Failure | Resource limitation | 
UPS N-SET Service Statuses¶
| Code (hex) | Category | Description | 
|---|---|---|
| 0x0001 | Warning | Requested optional Attributes not supported | 
| 0xC307 | Failure | Specified SOP Instance UID does not exist or is not a UPS Instance managed by this SCP | 
N-SET Statuses¶
| Code (hex) | Category | Description | 
|---|---|---|
| 0x0000 | Success | Success | 
| 0x0105 | Failure | No such attribute | 
| 0x0106 | Failure | Invalid attribute value | 
| 0x0110 | Failure | Processing failure | 
| 0x0112 | Failure | SOP Instance not recognised | 
| 0x0116 | Failure | Attribute value out of range | 
| 0x0117 | Failure | Invalid object instance | 
| 0x0118 | Failure | No such SOP Class | 
| 0x0119 | Failure | Class-Instance conflict | 
| 0x0121 | Failure | Missing attribute value | 
| 0x0124 | Failure | Refused: not authorised | 
| 0x0210 | Failure | Duplicate invocation | 
| 0x0211 | Failure | Unrecognised operation | 
| 0x0212 | Failure | Mistyped argument | 
| 0x0213 | Failure | Resource limitation | 
UPS N-SET Service Statuses¶
| Code (hex) | Category | Description | 
|---|---|---|
| 0x0001 | Warning | Requested optional Attributes not supported | 
| 0xB305 | Warning | Coerced invalid values to valid values | 
| 0xC300 | Failure | The UPS may not longer be updated | 
| 0xC301 | Failure | The correct Transaction UID was not provided | 
| 0xC307 | Failure | Specified SOP Instance UID does not exist or is not a UPS Instance managed by this SCP | 
| 0xC310 | Failure | The UPS is not in the IN PROGRESS state |