DICOM PS3.5 2025a - Data Structures and Encoding

9.2 Unique Identifier Registration

Each UID used in DICOM shall be defined and registered in one of the following two ways:

Both UIDs use the same encoding rules as defined in Section 9.1. See Annex C for a more detailed description of the UID registration process.

9.2.1 DICOM Defined and Registered Unique Identifiers

A limited number of registered DICOM Defined UIDs are used within the DICOM Standard. The organization responsible for the definition and registration of such DICOM UIDs is NEMA.

The registration process will rely on the publication of the DICOM Registered UIDs in PS3.6.

DICOM PS3.5 2025a - Data Structures and Encoding