DICOM PS3.20 2018a - Imaging Reports using HL7 Clinical Document Architecture

5.2.9 Subsidiary Templates
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### 5.2.9 Subsidiary Templates

A template may include subsidiary templates. Templates typically have one of two styles, a single parent element with child element structure, or a flat list of sibling elements.

The single parent element style is typical for the top level Document, Section, and Entry templates, and the parent element is of the HL7 v3 RIM act class. Inclusion of such a template therefore involves an actRelationship element; that actRelationship element is specified in the invoking template.

The sibling elements style is typical for sets of elements and attributes aggregated for editorial convenience.

Inclusion of a subsidiary template includes the name of included template and its templateID, specified in the Subsidiary Template column of the invoking template table.

For an included template of the single parent element style, the scoping business name and top level element are provided in italics in the invoking template table. This indicates this is data copied from the specification in the included template for the reader's convenience.

#### 5.2.9.1 Vocabulary Binding and Constraints

A template inclusion may provide Concept Domain Vocabulary Binding or other vocabulary constraints, e.g., limiting an element in the included template to a specific value from its defined Value Set. These vocabulary constraints are specified in tabular form, as shown in Table 5.2.9.1-1. The table is included in the additional requirements for the template, with a reference in the Value column of the template entry invoking the subsidiary template. The Value Conformance and Value specification columns are interpreted as in the templates tables.

Table 5.2.9.1-1. Vocabulary Binding Table Format

Concept Domain or Element | Value Conf | Value
--- | --- | ---
... | ... | ...

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DICOM PS3.20 2018a - Imaging Reports using HL7 Clinical Document Architecture