The Hypomania Checklist 32 Revised (HCL 32 R1) is a self-report, 32 item questionnaire that screens for hypomanic symptoms in major depressive disorder (MDD) and the presence of bipolar and bipolar spectrum disorders (including bipolar I and bipolar II Disorders). For a more detailed assessment of mania/hypomania in adults, please see the Mania Section from the Composite International Diagnostic Interview (CIDI) and the Mania Section of Diagnostic Interview for Genetic Studies (DIGS) in the Psychiatric Working Group Supplemental Information.