Description of Code 93 / Code 93 Extended
Code 93 is an alphanumeric code similar to Code 39 and can encode 48 different characters.
The check digits according to Modulo 47 are not displayed in the plain text line.
Code 93 Extended is based on Code 93 and can encode all 128 ASCII characters. The characters represented by Code 93 are represented in Code 93 Extended as single barcode characters, but all other characters are represented by a control character plus another character. You must take this into account when estimating barcode length.