DICOM Terms and Abbreviations

VR

VR: Value Representation, the definition of rules and encoding of groups of similar attributes. An example is the VR PN, Person Name which specifies exactly the sequence of the last name, first etc, max number of characters, character repertoire, etc. As part of the negotiation, one can agree on Explicit or Implicit VR encoding.
Currently known Value Representations are:
AE: Application Entity,
AS: Age String,
AT: Attribute Tag,
CS: Code String,
DA: Date,
DS: Decimal String,
DT: Date/Time,
FL: Floating Point Single,
FD: Floating Point Double,
IS: Integer String,
LO: Long String,
LT: Long Text,
OB: Other Byte String,
OW: Other Word String,
PN: Person Name,
SH: Short String,
SL: Signed Long,
SQ: Sequence of Items,
SS: Signed Short,
ST: Short Text,
TM: Time,
UI: Unique Identifier,
UL: Unsigned Long and
US: Unsigned Short.

A, B, C, D, E, F, G, H, I, J, L, M, N, O, P, Q, R, S, T, U, V, W, X

Parts of this document are taken (with permission) from
Herman Oosterwijk's "DICOM Expert" Cheat Sheet
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