use in dictionary classification are encoded at U+A490 to U+A4C6 (Yi Radicals). Yi syllables and Yi radicals were added as new blocks to Unicode Standard with version 3.0.

Classical Yi has not yet been encoded in Unicode, but a proposal to encode 88,613 Classical Yi characters was made in 2007 (including many variants for specific regional dialects or historical evolutions). They are based on an extended set of radicals (there are about 109 known radicals shared across at least nine of ten Nuosu