Other names and synonyms G31.8. G31.8 Other specified degenerative diseases of nervous system Description There is no detailed description, see related Related diseases Aicardi syndromeLee SyndromeMERRF syndromeLey syndromeCortico-basal degenerationAlpers diseasePeak's DiseaseSchilder 's leukoencephalitis 42a96bb5c8a2acfb07fc866444b97bf1 ✘Available only when using PRO account Content moderator: Vasin A. S.