MONDO_0008695 (chorea-acanthocytosis) (ChAc) is a form of neuroacanthocytosis and is characterized clinically by a Huntington disease-like phenotype with progressive neurological symptoms including movement disorders, psychiatric manifestations and cognitive disturbances. Also known as: CHAC, Chac, Levine-Critchley syndrome, choreo-acanthocytosis, choreoacanthocytosis.