DICOM PS3.3 2021d - Information Object Definitions

7.9 Extension of the DICOM Model of the Real World for Specimens (Current)
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## 7.9 Extension of the DICOM Model of the Real World for Specimens

The DICOM Model of the Real World is extended for Specimens with the addition of several objects whose relationships to each other and existing DICOM Real World objects are shown in Figure 7.9-1.

Attributes of the Specimen, Container, Component and Preparation Step objects are represented in the Specimen Module within the Image IODs.

Figure 7.9-1. DICOM Model of the Real World - Specimens

### 7.9.1 Specimen

A physical object (or a collection of objects) is a specimen when the laboratory considers it a single discrete, uniquely identified unit that is the subject of one or more steps in the laboratory (diagnostic) workflow.

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DICOM PS3.3 2021d - Information Object Definitions