DICOM PS3.3 2019c - Information Object Definitions

C.36.4 Radiotherapy Common Instance Module (Current)
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### C.36.4 Radiotherapy Common Instance Module

Table C.36.4-1 specifies the Attributes that identify and describe general information in RT Second Generation IODs.

Table C.36.4-1. Radiotherapy Common Instance Module Attributes

Attribute Name | Tag | Type | Attribute Description
--- | --- | --- | ---
Instance Creation Date | (0008,0012) | 1 | Date the SOP Instance was created.
Instance Creation Time | (0008,0013) | 1 | Time the SOP Instance was created.
Content Date | (0008,0023) | 1 | The date the content creation started.
Content Time | (0008,0033) | 1 | The time the content creation started.
Author Identification Sequence | (3010,0019) | 2 | The person that created the entire clinical content of this document. Zero or more Items shall be included in this Sequence.
>Include Table C.17-3b. | Context Group may be defined in the Macro invocation. The Observer Type (0040,A084) shall be PSN.
Instance-Level Referenced Performed Procedure Step Sequence | (3010,0044) | 1C | Uniquely identifies the Performed Procedure Step SOP Instance that resulted in creation of this Instance (e.g. a Modality or Unified Procedure Step SOP Instance). Required if this Instance has been created as a result of a procedure step request and the Referenced Performed Procedure Step Sequence (0008,1111) is not present. One or more Items shall be included in this Sequence.
>Include Table 10-11 “SOP Instance Reference Macro Attributes” |

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DICOM PS3.3 2019c - Information Object Definitions