YMRS - Young Mania Rating Scale
The Young Mania Rating Scale is a provider-administered, 11-item, multiple-choice diagnostic questionnaire which is used to measure the severity of manic episodes in patients.
Based on the patient's subjective report of their clinical condition over the previous 48 hours and from clinical observation during the interview.
Young RC, Biggs JT, Ziegler VE Meyer DA. A rating scale for mania: reliability, validity, and sensitivity. BrJ Psychiatry. 1978; 133:429-435.
Young RC, Biggs JT, Ziegler VE, Meyer DA. Young Mania Rating Scale. In: Handbook of Psychiatric Measures. Washington, DC: American Psychiatric Association; 2000: 540-542.