Description : Interleaved 2 of 5 is a high density variable length numeric only symbology that encodes digit pairs in an interleaved manner. In the symbol, two digits are paired, using bars to represent the first digit and the interleaved spaces to represent the second digit. The odd position digits are encoded in the bars and the even position digits are encoded in the spaces. Interleaved 2 of 5 is also known as I 2 of 5.

Graphic Image - Interleaved 2 of 5 developed by Intercon Associates.