to steroid or immunosuppre ssant medications are those medical indications for these
preparations. Delirium can occur before or along with manic symptoms in individuals in-
gesting phencyclidine or those who are prescr ibed steroid medications or other immuno-
suppressant medications.
Bipolar and Related Disorder
 Due to Another Medical Condition
Diagnostic Criteria
A. A prominent and persistent period of abnormall y elevated, expansive, or irritable mood
and abnormally increased activity or energy that predominates in the clinical picture. 
B. There is evidence from the history, physical ex amination, or laboratory findings that the dis-
turbance is the direct pathophysiological consequence of another medical condition. 
C. The disturbance is not better explained by another mental disorder.
D. The disturbance does not occur exclusively during the course of a delirium. 
E. The disturbance causes clinically significant distress or impairment in social, occupa-
tional, or other important areas of functioni ng, or necessitates hospitalization to pre-
vent harm to self or others, or there are psychotic features.
Coding note:  The ICD-9-CM code for bipolar and related disorder due to another medical
condition is 293.83, which is assigned regardless of the specifier. The ICD-10-CM code
depends on the specifier (see below).