E Command Dictionary (Normative)
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# E Command Dictionary (Normative)

## E.1 Registry of DICOM Command Elements

Table E.1-1. Command Fields

Tag | Message Field | Keyword | VR | VM | Description of Field
--- | --- | --- | --- | --- | ---
(0000,0000) | Command Group Length | CommandGroupLength | UL | 1 | The even number of bytes from the end of the value field to the beginning of the next group.
(0000,0002) | Affected SOP Class UID | AffectedSOPClassUID | UI | 1 | The affected SOP Class UID associated with the operation.
(0000,0003) | Requested SOP Class UID | RequestedSOPClassUID | UI | 1 | The requested SOP Class UID associated with the operation.
(0000,0100) | Command Field | CommandField | US | 1 | This field distinguishes the DIMSE operation conveyed by this Message. This field shall be set to one of the following values: 0001H C-STORE-RQ 8001H C-STORE-RSP 0010H C-GET-RQ 8010H C-GET-RSP 0020H C-FIND-RQ 8020H C-FIND-RSP 0021HC-MOVE-RQ 8021H C-MOVE-RSP 0030H C-ECHO-RQ 8030H C-ECHO-RSP 0100H N-EVENT-REPORT-RQ 8100H N-EVENT-REPORT-RSP 0110H N-GET-RQ 8110H N-GET-RSP 0120H N-SET-RQ 8120H N-SET-RSP 0130H N-ACTION-RQ 8130H N-ACTION-RSP 0140H N-CREATE-RQ 8140H N-CREATE-RSP 0150H N-DELETE-RQ 8150H N-DELETE-RSP 0FFFH C-CANCEL-RQ
(0000,0110) | Message ID | MessageID | US | 1 | Implementation-specific value that distinguishes this Message from other Messages.
(0000,0120) | Message ID Being Responded To | MessageIDBeingRespondedTo | US | 1 | Shall be set to the value of the Message ID (0000,0110) field used in associated request Message.
(0000,0600) | Move Destination | MoveDestination | AE | 1 | Shall be set to the DICOM AE Title of the destination DICOM AE to which the C-STORE sub-operations are being performed.
(0000,0700) | Priority | Priority | US | 1 | The priority shall be set to one of the following values: LOW = 0002H MEDIUM = 0000H HIGH = 0001H
(0000,0800) | Command Data Set Type | CommandDataSetType | US | 1 | This field indicates if a Data Set is present in the Message. This field shall be set to the value of 0101H if no Data Set is present; any other value indicates a Data Set is included in the Message.
(0000,0900) | Status | Status | US | 1 | Confirmation status of the operation. See Annex C.
(0000,0901) | Offending Element | OffendingElement | AT | 1-n | If status is Cxxx, then this field contains a list of the elements in which the error was detected.
(0000,0902) | Error Comment | ErrorComment | LO | 1 | This field contains an application-specific text description of the error detected.
(0000,0903) | Error ID | ErrorID | US | 1 | This field shall optionally contain an application-specific error code.
(0000,1000) | Affected SOP Instance UID | AffectedSOPInstanceUID | UI | 1 | Contains the UID of the SOP Instance for which this operation occurred.
(0000,1001) | Requested SOP Instance UID | RequestedSOPInstanceUID | UI | 1 | Contains the UID of the SOP Instance for which this operation occurred.
(0000,1002) | Event Type ID | EventTypeID | US | 1 | Values for this field are application-specific.
(0000,1005) | Attribute Identifier List | AttributeIdentifierList | AT | 1-n | This field contains an Attribute Tag for each of the n Attributes applicable.
(0000,1008) | Action Type ID | ActionTypeID | US | 1 | Values for this field are application-specific.
(0000,1020) | Number of Remaining Sub-operations | NumberOfRemainingSuboperations | US | 1 | The number of remaining C-STORE sub-operations to be invoked for the operation.
(0000,1021) | Number of Completed Sub-operations | NumberOfCompletedSuboperations | US | 1 | The number of C-STORE sub-operations associated with this operation that have completed successfully.
(0000,1022) | Number of Failed Sub-operations | NumberOfFailedSuboperations | US | 1 | The number of C-STORE sub-operations associated with this operation that have failed.
(0000,1023) | Number of Warning Sub-operations | NumberOfWarningSuboperations | US | 1 | The number of C-STORE sub-operations associated with this operation that generated warning responses.
(0000,1030) | Move Originator Application Entity Title | MoveOriginatorApplicationEntityTitle | AE | 1 | Contains the DICOM AE Title of the DICOM AE that invoked the C-MOVE operation from which this C-STORE sub-operation is being performed.
(0000,1031) | Move Originator Message ID | MoveOriginatorMessageID | US | 1 | Contains the Message ID (0000,0110) of the C-MOVE-RQ Message from which this C-STORE sub-operation is being performed.

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