10.6 Study Act
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## 10.6 Study Act

Template ID | 1.2.840.10008.9.16
Name | Study Act
Effective Date | 2015/03/24
Version Label | DICOM-20150324
Status | Active
Description | A Study Act contains the DICOM study information that defines the characteristics of an imaging study performed on a patient. An imaging study is a collection of one or more series of medical images, presentation states, SR documents, overlays, and/or curves that are logically related for the purpose of diagnosing a patient. Each study is associated with exactly one patient. A study may include composite instances that are created by a single modality, multiple modalities, or by multiple devices of the same modality. The study information is modality-independent.
Classification | CDA Entry Level
Relationships | Included in 9.8.7 DICOM Object Catalog and 9.4 Comparison Study
Context | parent node
Open/Closed | Open
Revision History | DICOM-20150324: Initial publication, derived from template originally published in DIR r1-2009, revised in Consolidated CDA r1-2011 as 2.16.840.1.113883.10.20.6.2.6. This derivation makes Series conditional (required for Object Catalog) to support use in Comparison Study reference, and uses DICOM-20150324 Series Act subsidiary template.

Business Name | Nest Level | Element/​Attribute | Card | Elem/Attr Conf | Data Type | Value Conf | Value | Subsidiary Template
--- | --- | --- | --- | --- | --- | --- | --- | ---
Study[*] |  | act | 1..1 | SHALL |  |  |  |
| @ | @classCode | 1..1 | SHALL | CS | SHALL | ACT |
| @ | @moodCode | 1..1 | SHALL | CS | SHALL | EVN |
| > | template​Id | 1..1 | SHALL | II |  |  |
| >@ | @root | 1..1 | SHALL | UID | SHALL | 1.2.840.10008.9.16 |
| > | id | 1..1 | SHALL | II |  |  |
Study​UID | >@ | @root | 1..1 | SHALL | UID |  | Study Instance UID (0020,000D) |
| >@ | @extension | 0..0 | SHALL NOT |  |  |  |
| > | code | 1..1 | SHALL | CD | SHALL | (113014, DCM, "Study") |
Description | > | text | 0..1 | MAY | ED |  |  |
Time | > | effective​Time | 0..1 | SHOULD | TS |  | Study Date (0008,0020) + Study Time (0008,0030) + Timezone Offset From UTC (0008,0201) |
| > | entry​Relationship | 1..* | COND |  |  |  |
| >@ | @typeCode | 1..1 | SHALL | CS | SHALL | COMP |
Series[*] | >> | act |  |  |  |  |  | 10.7 Series Act 1.2.840.10008.9.17

### 10.6.1 entryRelationship/act - Series

COND: If this template is invoked by the 9.8.7 DICOM Object Catalog, the entryRelationship to the Series act SHALL be present, otherwise it MAY be present.

Example 10.6-1. Study act example

    <act classCode="ACT" moodCode="EVN">
        <templateId root="2.16.840.1.113883.10.20.6.2.6"/>
        <id root="1.2.840.113619.2.62.994044785528.114289542805"/>
        <code code="113014" codeSystem="1.2.840.10008.2.16.4"
            codeSystemName="DCM" displayName="Study"/>
        <effectiveTime value="20060823223232"/>
        <!-- **** Series ****-->
        <entryRelationship typeCode="COMP">
            <act classCode="ACT" moodCode="EVN">
                ...
            </act>
        </entryRelationship>
    </act>

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