CGI-S Scale

The Clinician Global Impression of Severity Scale

CGI-S rating	Description
1	NORMAL - Not at all ill, symptoms of disorder not present past seven days
2	BORDERLINE ILL - Subtle or suspected pathology
3	MILDLY ILL - Affected but functioning reasonably well
4	MODERATELY ILL - Overt symptoms causing noticeable but modest, functional impairment or distress; symptom level warrants intervention
5	MARKEDLY ILL - Intrusive symptoms that distinctly impair social/occupational/school function or cause intrusive levels of distress
6	SEVERELY ILL - Disruptive pathology, behavior and function are frequently influenced by symptoms, may require assistance from others
7	AMONG THE MOST EXTREMELY ILL PATIENTS - Pathology drastically interferes in many life functions, may be hospitalized

Busner, J., & Targum, S. D. (2007). The clinical global impressions scale: applying a research tool in clinical practice. Psychiatry (Edgmont), 4(7), 28.