Dyskinesia Identification System: Condensed User Scale

The Abnormal Involuntary Movement Scale (AIMS) and the Dyskinesia Identification System Condensed User Scale (DISCUS) should be used to screen (at baseline and at least quarterly) and can facilitate early detection of TD, but neither scale is diagnostic. 

Sprague RL, Kalachnik JE. Reliability, validity, and a total score cutoff for the dyskinesia identification system Condensed user scale (DISCUS) with mentally ill and mentally retarded populations. Psychopharmacol Bull 1991 27 51-58. 

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