that it is easily recognized as excessive and may be characterized by unlimited and hap-
hazard enthusiasm for interpersonal, sexual, or occupational inte ractions. For example,
the individual may spontaneously start extens ive conversations with strangers in public.
Often the predominant mood is irritable rather than elevated, particularly when the indi-
vidual’s wishes are denied or if the individu al has been using substances. Rapid shifts in
mood over brief periods of time may occur and are referred to as lability (i.e., the alterna-With psychotic 
features*** 
(p. 152)296.44 
(F31.2)NA 296.54 
(F31.5)NA
In partial 
remission (p. 154)296.45 
(F31.73)296.45 
(F31.71)296.55 
(F31.75)NA
In full remission 
(p. 154)296.46 
(F31.74)296.46 
(F31.72)296.56 
(F31.76)NA
Unspecified 296.40 
(F31.9)296.40 
(F31.9)296.50 
(F31.9)NA
*Severity and psychotic specifiers do not apply; code 296.40 (F31.0) for cases not in remission.
**Severity, psychotic, and remission specif iers do not apply. Code 296.7 (F31.9).
***If psychotic features are present, code the “with psychotic features” specifier irrespective of epi-
sode severity.Bipolar I disorderCurrent or 
most recent 
episode 
manicCurrent or 
most recent 
episode 
hypomanic* Current or 
most recent 
episode