DICOM PS3.3 2021b - Information Object Definitions

10.37 Related Information Entities Macro (Current)
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## 10.37 Related Information Entities Macro

This Macro defines references to entities and their purpose of reference. References can be made at the Study level, Series level, Instance level or Frame Level.

The attributes Pertinent SOP Classes in Study (3010,0052) and Pertinent SOP Classes in Series (3010,0053) allow the specification of the relevant SOP Classes for the given purpose. These attributes support filtering for certain SOP Classes, specification of corresponding query keys, and allowing the receiving application to assess its capabilities to handle the specified objects.

All referenced Studies, Series and Instances share the same single Purpose of Reference.

Table 10.37-1. Related Information Entities Macro Attributes

Attribute Name | Tag | Type | Attribute Description
--- | --- | --- | ---
Purpose of Reference Code Sequence | (0040,A170) | 1 | Describes the purpose for which the references are made. Only a single Item shall be included in this Sequence.
>Include Table 8.8-1 “Code Sequence Macro Attributes” | CID may be defined in the Macro invocation.
Referenced Study Sequence | (0008,1110) | 1 | Studies which are relevant for the invocation context. One or more Items shall be included in this Sequence.
>Study Instance UID | (0020,000D) | 1 | Uniquely identifies the referenced Study.
>Pertinent SOP Classes in Study | (3010,0052) | 3 | The SOP Classes in the Study which are relevant for the invocation context. If not present, all SOP Instances included in the referenced Study are considered relevant.
>Referenced Series Sequence | (0008,1115) | 3 | Series which are relevant for the invocation context. One or more Items are permitted in this Sequence.
>>Series Instance UID | (0020,000E) | 1 | Uniquely identifies the referenced Series.
>>Pertinent SOP Classes in Series | (3010,0053) | 3 | The SOP Classes in the Series which are relevant for the invocation context. If not present, all SOP Instances included in the referenced Series are considered relevant.
>>Referenced Image Sequence | (0008,1140) | 3 | Image SOP Instances which are relevant in the invocation context. One or more Items are permitted for this Sequence.
>>>Include Table 10-3 “Image SOP Instance Reference Macro Attributes” |
>>Referenced Instance Sequence | (0008,114A) | 3 | Non-Image SOP Instances which are relevant in the invocation context. One or more Items are permitted for this Sequence.
>>>Include Table 10-11 “SOP Instance Reference Macro Attributes” |

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DICOM PS3.3 2021b - Information Object Definitions