Data Elements

xxxx,yyyy

xxxx Group Number
yyyy Element Number

Standard Data Elements have an even Group Number that is not (0000,eeee), (0002,eeee), (0004,eeee), or (0006,eeee).

Note: Usage of these groups is reserved for DIMSE Commands(see PS 3.7 of the DICOM Standard) and DICOM File Formats.

Private Data Elements have an odd Group Number that is not (0001,eeee), (0003,eeee), (0005,eeee), (0007,eeee), or (FFFF, eeee). Private Data Elements are discussed further in Section 7.8 (PS 3.5 of the DICOM Standard).