F.5.22 RT Treatment Record Directory Record Definition
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### F.5.22 RT Treatment Record Directory Record Definition

This Directory Record is based on the specification of Section F.3. It is identified by a Directory Record Type of Value "RT TREAT RECORD". Table F.5-22 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 Treatment Record IE of the RT Treatment Record IODs. This Directory Record shall be used to reference an RT Beams Treatment Record SOP instance, RT Brachy Treatment Record SOP instance, or RT Treatment Summary Record SOP instance. 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.5-22. RT Treatment Record 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 |
Treatment Date | (3008,0250) | 2 |
Treatment Time | (3008,0251) | 2 |
Any other Attribute of the Treatment Record 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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