DICOM PS3.3 2021b - Information Object Definitions

F.5.4 Image Directory Record Definition (Current)
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### F.5.4 Image 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 "IMAGE." Table F.5-4 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 Image IE of Image IODs. This Directory Record shall be used to reference an Image 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.5-4. Image 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 |
Icon Image Sequence | (0088,0200) | 3 | This Icon Image is representative of the Image. Only a single Item is permitted in this Sequence.
>Include Table C.7-11b “Image Pixel Macro Attributes” | See Section F.7.
Any other Attribute of the Image 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 2021b - Information Object Definitions