CT Radiation Dose SR IOD Templates
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## CT Radiation Dose SR IOD Templates

The templates that comprise the CT Radiation Dose SR are interconnected as in Figure A-15.

Figure A-15. CT Radiation Dose SR IOD Template Structure

### TID 10011 CT Radiation Dose

This template defines a container (the root) with subsidiary content items, each of which corresponds to a single CT X-Ray irradiation event entry. There is a defined recording observer (the system or person responsible for recording the log, generally the system). Accumulated values shall be kept for a whole Study or at least a part of a Study, if the Study is divided in the workflow of the examination, or a performed procedure step. Multiple CT Radiation Dose objects may be created for one Study.

Type:

  Extensible

Order:

  Significant

Root:

  Yes

Table TID 10011. CT Radiation Dose

| NL | Rel with Parent | VT | Concept Name | VM | Req Type | Condition | Value Set Constraint
--- | --- | --- | --- | --- | --- | --- | --- | ---
1 |  |  | CONTAINER | EV (113701, DCM, "X-Ray Radiation Dose Report") | 1 | M |  | Root node
2 | > | HAS CONCEPT MOD | CODE | EV (121058, DCM, "Procedure reported") | 1 | M |  | EV (P5-08000, SRT, "Computed Tomography X-Ray")
3 | >> | HAS CONCEPT MOD | CODE | EV (G-C0E8, SRT, "Has Intent") | 1 | M |  | DCID 3629 “Procedure Intent”
4 | > |  | INCLUDE | DTID 1002 “Observer Context” | 1-n | M |  |
5 | > | HAS OBS CONTEXT | DATETIME | EV (113809, DCM, "Start of X-Ray Irradiation") | 1 | M |  |
6 | > | HAS OBS CONTEXT | DATETIME | EV (113810, DCM, "End of X-Ray Irradiation") | 1 | M |  |
7 | > | HAS OBS CONTEXT | CODE | EV (113705, DCM, "Scope of Accumulation") | 1 | M |  | DCID 10000 “Scope of Accumulation”
8 | >> | HAS PROPERTIES | UIDREF | DCID 10001 “UID Types” | 1 | M |  |
9 | > | CONTAINS | INCLUDE | DTID 10012 “CT Accumulated Dose Data” | 1 | M |  |
10 | > | CONTAINS | INCLUDE | DTID 10013 “CT Irradiation Event Data” | 1-n | M |  |
11 | > | CONTAINS | TEXT | EV (121106, DCM, "Comment") | 1 | U |  |
12 | > | CONTAINS | CODE | EV (113854, DCM, "Source of Dose Information") | 1-n | M |  | DCID 10021 “Source of CT Dose Information”
13 | > | CONTAINS | INCLUDE | DTID 1020 “Person Participant” | 1 | U |  | $PersonProcedureRole = EV (113850, DCM, "Irradiation Authorizing")

Content Item Descriptions

Row 4 | The observer context may include both a Person Observer identification, as well as the identity of the equipment providing the values for the irradiation event (Device Observer identification), if not inherited.
Row 5 | Start, Date Time of the first CT Irradiation Event of the accumulation
Row 6 | End, Date Time of the last CT Irradiation Event of the accumulation
Row 12 | The primary source of information from which this dose object was constructed.
Row 13 | The physician responsible for determining that the irradiating procedure was appropriate for the indications. The value may come from Requesting Physician (0032,1032), Requesting Physician Identification Sequence (0032,1031) or somewhere else based on hospital policies.

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