 Code 93 is a modular symbology that encodes each character using 6 elements packed into 9 modules. It was designed to be a higher density and more secure version of Code 39. The code is formatted as follows: a start character, encoded message, first modulo-47 check character “C”, second modulo-47 check character “K”, stop character, and termination bar. |
| Type | Linear (1D) |
| Character Set | 26 upper case letters, 10 digits and 7 special characters (-, ., $, /, +, %, and SPACE). These, in addition to 5 special stop/start characters, provide all 128 ASCII characters |
| Example of Application Standards | None |
| Non-standardized applications | Canada Post to encode supplementary delivery information |
| Key features | Variable length symbology, possible 49 Code 93 symbols total, Modulo 43 checksum is optional |
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