DICOM PS3.3 2021d - Information Object Definitions

A.35.7.3 Procedure Log IOD Module Table (Current)
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#### A.35.7.3 Procedure Log IOD Module Table

Table A.35.7-1 specifies the Modules of the Procedure Log IOD.

Table A.35.7-1. Procedure Log IOD Modules

IE | Module | Reference | Usage
--- | --- | --- | ---
Patient | Patient | C.7.1.1 | M
Clinical Trial Subject | C.7.1.3 | U
Study | General Study | C.7.2.1 | M
Clinical Trial Study | C.7.2.3 | U
Series | SR Document Series | C.17.1 | M
Clinical Trial Series | C.7.3.2 | U
Frame of Reference | Synchronization | C.7.4.2 | M
Equipment | General Equipment | C.7.5.1 | M
Document | SR Document General | C.17.2 | M
SR Document Content | C.17.3 | M
SOP Common | C.12.1 | M

##### A.35.7.3.1 Procedure Log IOD Content Constraints

###### A.35.7.3.1.1 Template

The document may be constructed from BTID 3001 “Procedure Log” invoked at the root node.

### Note

This template defines a container (the root) with subsidiary Content Items, each of which represents a single procedure log entry. There is a defined recording observer (the person responsible for recording the log, generally a technician or nurse). The log entries follow a canonical model of a coded log entry type (the concept name of the Content Item), the value associated with the concept name as one of the SR Value Types, and optionally a subsidiary free text comment and/or an identifier of the author or device source of the log entry (which may be other than the recording observer).

###### A.35.7.3.1.2 Observation DateTime

Each Item in Content Sequence (0040,A730) of the SR Document Content Module that is a target of a "CONTAINS" relationship from the root node, i.e., the first level Log Content Items, shall include Observation DateTime (0040,A032) as a Type 1 Attribute. This Attribute shall represent the DateTime at which the event recorded in the Content Item occurred, not the time at which the Item was recorded.

The first level Procedure Log Content Items in the Content Sequence shall be strictly ordered by monotonically increasing Observation DateTime (0040,A032) values.

Observation DateTime (0040,A032) shall be specified to a precision of one second or finer.

###### A.35.7.3.1.3 Value Type

Value Type (0040,A040) in Content Sequence (0040,A730) of the SR Document Content Module is constrained to the following Enumerated Values (see Table C.17.3-7 for Value Type definitions):

Enumerated Values:

TEXT

CODE

NUM

DATETIME

DATE

TIME

UIDREF

PNAME

COMPOSITE

IMAGE

WAVEFORM

CONTAINER

###### A.35.7.3.1.4 Relationship Constraints

Relationships between Content Items in the content of this IOD shall be conveyed in the by-value mode. See Table C.17.3-8 for Relationship Type definitions.

### Note

Relationships by-reference are forbidden. Therefore, Referenced Content Item Identifier (0040,DB73) is not present in any of the Content Items within the SR Document Content Module.

Table A.35.7-2 specifies the relationship constraints of this IOD.

Table A.35.7-2. Relationship Content Constraints for Procedure Log IOD

Source Value Type | Relationship Type (Enumerated Values) | Target Value Type
--- | --- | ---
CONTAINER | CONTAINS | TEXT, CODE, NUM, PNAME, COMPOSITE, IMAGE, WAVEFORM
any type | HAS OBS CONTEXT | TEXT, CODE, NUM, DATETIME, UIDREF, PNAME
CONTAINER | HAS OBS CONTEXT | CONTAINER
CONTAINER, IMAGE, WAVEFORM, COMPOSITE | HAS ACQ CONTEXT | TEXT, CODE, NUM, DATETIME, DATE, TIME, UIDREF, PNAME
any type | HAS CONCEPT MOD | TEXT, CODE
any type (except CONTAINER) | HAS PROPERTIES | TEXT, CODE, NUM, DATETIME, UIDREF, PNAME
TEXT, CODE, NUM | INFERRED FROM | IMAGE, WAVEFORM, COMPOSITE

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DICOM PS3.3 2021d - Information Object Definitions