Default Value Representation Table

The table below contains the default values for the Value Representations supported by DICOM.

For more information on the structure of this table, refer to DICOMVR.

Code Name Length Restriction UnitSize
VR_AE Application Entity 16 VR_STRING | VR_MAXIMUM 1
VR_AS Age String 4 VR_TEXT | VR_FIXED 1
VR_AT Attribute Tag 4 VR_BINARY | VR_FIXED 4
VR_CS Code String 16 VR_STRING | VR_MAXIMUM 1
VR_DA Date 8 VR_TEXT | VR_FIXED 1
VR_DS Decimal String 16 VR_STRING | VR_MAXIMUM 1
VR_DT Date Time 26 VR_TEXT | VR_MAXIMUM 1
VR_FD Floating Point Double 8 VR_BINARY | VR_FIXED 8
VR_FL Floating Point Single 4 VR_BINARY | VR_FIXED 4
VR_IS Integer String 12 VR_STRING | VR_MAXIMUM 1
VR_LO Long String 64 VR_STRING | VR_MAXIMUM 1
VR_LT Long Text 10240 VR_TEXT | VR_MAXIMUM 1
VR_OB Other Byte String 0 VR_BINARY | VR_ANY 1
VR_OD Other Double String 0xFFFFFFF8 VR_BINARY | VR_MAXIMUM 8
VR_OF Other Float String 0xFFFFFFFC VR_BINARY | VR_MAXIMUM 4
VR_OW Other Word String 0 VR_BINARY | VR_ANY 2
VR_PN Person Name 64 VR_TEXT | VR_MAXIMUM_GROUP 1
VR_SH Short String 16 VR_STRING | VR_MAXIMUM 1
VR_SL Signed Long 4 VR_BINARY | VR_FIXED 4
VR_SQ Sequence of Items 0 VR_NOT_APPLICABLE 1
VR_SS Signed Short 2 VR_BINARY | VR_FIXED 2
VR_ST Short Text 1024 VR_TEXT | VR_MAXIMUM 1
VR_TM Time 16 VR_TEXT | VR_MAXIMUM 1
VR_UC Unlimited Characters 0xFFFFFFFE VR_TEXT | VR_MAXIMUM 1
VR_UI Unique Identifier 64 VR_TEXT | VR_MAXIMUM 1
VR_UL Unsigned Long 4 VR_BINARY | VR_FIXED 4
VR_UN Unknown 0 VR_BINARY | VR_ANY 1
VR_UR Universal Resource Identifier or Universal Resource Locator(URI/URL) 0xFFFFFFFE VR_TEXT | VR_MAXIMUM 1
VR_US Unsigned Short 2 VR_BINARY | VR_FIXED 2
VR_UT Unlimited Text 0xFFFFFFFE VR_TEXT | VR_MAXIMUM 1
Help Version 22.0.2022.12.7
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LEADTOOLS DICOM C API Help
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.