E DICOM Default Character Repertoire (Normative)
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# E DICOM Default Character Repertoire (Normative)

The default repertoire for character strings in DICOM is the Basic G0 Set of the International Reference Version of ISO 646:1990 (ISO IR-6). In addition, the Control Characters LF, FF, CR, TAB and ESC are supported. These control characters are a subset of the C0 set defined in ISO 646:1990 and ISO 6429:1990.

The byte encoding of the default character repertoire is pictured in Table E-1. This table can be used to derive both ISO column/row byte values and hex values for encoded representations (see Section 6.1.1).

Table E-1. DICOM Default Character Repertoire Encoding

|  |  |  |  | b8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
|  |  |  |  | b7 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1
|  |  |  |  | b6 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1
|  |  |  |  | b5 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1
b4 | b3 | b2 | b1 |  |  | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07
0 | 0 | 0 | 0 | 00 |  |  |  | SP | 0 | @ | P | ` | p
0 | 0 | 0 | 1 | 01 |  |  |  | ! | 1 | A | Q | a | q
0 | 0 | 1 | 0 | 02 |  |  |  | " | 2 | B | R | b | r
0 | 0 | 1 | 1 | 03 |  |  |  | # | 3 | C | S | c | s
0 | 1 | 0 | 0 | 04 |  |  |  | $ | 4 | D | T | d | t
0 | 1 | 0 | 1 | 05 |  |  |  | % | 5 | E | U | e | u
0 | 1 | 1 | 0 | 06 |  |  |  | & | 6 | F | V | f | v
0 | 1 | 1 | 1 | 07 |  |  |  | ' | 7 | G | W | g | w
1 | 0 | 0 | 0 | 08 |  |  |  | ( | 8 | H | X | h | x
1 | 0 | 0 | 1 | 09 |  | TAB |  | ) | 9 | I | Y | i | y
1 | 0 | 1 | 0 | 10 |  | LF |  | * | : | J | Z | j | z
1 | 0 | 1 | 1 | 11 |  |  | ESC | + | ; | K | [ | k | {
1 | 1 | 0 | 0 | 12 |  | FF |  | , | < | L | \ | l | |
1 | 1 | 0 | 1 | 13 |  | CR |  | - | = | M | ] | m | }
1 | 1 | 1 | 0 | 14 |  |  |  | . | > | N | ^ | n | ~
1 | 1 | 1 | 1 | 15 |  |  |  | / | ? | O | _ | o |

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