DICOM PS3.3 2019e - Information Object Definitions

F.5.46 Radiotherapy Directory Record Definition (Current)
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### F.5.46 Radiotherapy Directory Record Definition

The Directory Record is based on the specification of Section F.3. It is identified by a Directory Record Type of Value "RADIOTHERAPY". Table F.5-46 lists the set of keys with their associated Types for such a Directory Record Type. The description of these keys may be found in the Modules related to the Instance-level IEs of the RT Second-Generation IODs. This Directory Record shall be used to reference one of the classes of RT Second-Generation SOP Instances having a Modality (0008,0060) of as defined in Section A.86.1. This type of Directory Record may reference a Lower-Level Directory Entity that includes one or more Directory Records as defined in Table F.4-1.

Table F.5-46. Radiotherapy Keys

Key | Tag | Type | Attribute Description
--- | --- | --- | ---
Specific Character Set | (0008,0005) | 1C | Required if an extended or replacement character set is used in one of the keys.
Instance Number | (0020,0013) | 1 |
User Content Label | (3010,0033) | 1C | Required if User Content Label (3010,0033) is present.
User Content Long Label | (3010,0034) | 1C | Required if User Content Long Label (3010,0034) is present.
Content Description | (0070,0081) | 2 |
Content Creator"s Name | (0070,0084) | 2 |
Any other Attribute of the RT Second-Generation IE Modules | 3 |

### Note

Because Referenced SOP Instance UID in File (0004,1511) may be used as a "pseudo" Directory Record Key (See Table F.3-3), it is not duplicated in this list of keys.

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DICOM PS3.3 2019e - Information Object Definitions