GE
D
IRECTION 5535208-100, REV. 2 LOGIQ E9 SERVICE MANUAL
Chapter 3 LOGIQ E9 Setup 3 - 61
3-9-4-5 How to Setup and Use a DICOM Worklist Service (cont’d)
“Remote” versus “Local” Filtering (con’t.)
The format of the values used for Search Criteria for both Worklist and Query/Retrieve services are
defined in the DICOM standard: http://medical.nema.org/dicom. Select the latest year available in this
folder. Open Part 5: “Data Structures and Encoding”, and examine Table 3-20 "Dicom Value
Representations" . For example, here are the rules for a valid AE Title:
Basically, an AE Title can be up to 16 characters. Leading and trailing spaces are ignored. A title of all
spaces is not valid. These characters are not allowed
: “\”, line feed, form feed, carriage return, and
escape.
Table 3-20 Dicom Value Representations
VR Name Definition Character Repertoire Length of Value
AE (Application
Entity)
A string of characters that
identifies an Application Entity
with leading and trailing
spaces (20H) being non-
significant. A value consisting
solely of spaces shall not be
used.
Default Character Repertoire
excluding character code 5CH
(the BACKSLASH “\” in
ISO-IR 6) and control
characters LF, FF, CR and
ESC.
16 bytes
maximum