146 Bipolar and Related Disorders
Specify if: 
(F06.33) With manic features:  Full criteria are not met for a manic or hypomanic ep-
isode.
(F06.33) With manic- or hypomanic-like episode:  Full criteria are met except Crite-
rion D for a manic episode or except Criterion F for a hypomanic episode.
(F06.34) With mixed features:  Symptoms of depression are also present but do not
predominate in the clinical picture.
Coding note: Include the name of the other medical condition in the name of the mental
disorder (e.g., 293.83 [F06.33] bipolar disorder due to hyperthyroidism, with manic fea-
tures). The other medical condition should also be coded and listed separately immedi-
ately before the bipolar and related disorder due to the medical condition (e.g., 242.90
[E05.90] hyperthyroidism; 293.83 [F06.33] bipol ar disorder due to hyperthyroidism, with
manic features).
Diagnostic Features
The essential features of bipolar and related disorder due to anothe r medical condition are
presence of a prominent and persistent period of abnormally elevated, expansive, or irri-
table mood and abnormally increased activity or energy predominating in the clinical pic-
ture that is attributable to another medical condition (Criterion B). In most cases the manic
or hypomanic picture may appear during the in itial presentation of the medical condition
(i.e., within 1 month); howeve r, there are exceptions, especi ally in chronic medical condi-
tions that might worsen or relapse and herald  the appearance of the manic or hypomanic
picture. Bipolar and related disorder due to another medical condition would not be diag-