DICOM PS3.4 2021b - Service Class Specifications

V.2 Substance Administration Query Information Model Definition (Current)
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## V.2 Substance Administration Query Information Model Definition

The Substance Administration Query Information Model is identified by the SOP Class negotiated at Association establishment time. The SOP Class is composed of both an Information Model and a DIMSE-C Service Group.

Information Model Definitions for Standard SOP Classes of the Substance Administration Query Service Class are defined in this Annex. A Substance Administration Query Information Model Definition contains:

- an Entity-Relationship Model Definition

- a Key Attributes Definition.

### V.2.1 Entity-Relationship Model Definition

Substance Administration Query Information Models consist of a single level that includes all Matching Key Attributes and all Return Key Attributes that may be sent from the SCU to the SCP in the request, and whose values are expected to be returned from the SCP to the SCU in the response (or Query items). The Matching Key Attribute Values in the request specify the Query items that are to be returned in the response. All Key Attributes (the Matching Key Attributes and the Return Key Attributes) in the request determine which Attribute Values are returned in the response for that Query.

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DICOM PS3.4 2021b - Service Class Specifications