Bipolar disorder not otherwise specified

Bipolar disorder NOS
Other namesBipolar disorder, unspecified
SpecialtyPsychiatry
TreatmentMedication, psychotherapy
MedicationLithium, antipsychotics, anticonvulsants
Frequency1.4%

Bipolar disorder not otherwise specified (BD-NOS) is a diagnosis for bipolar disorder (BD) when it does not fall within the other established sub-types. Bipolar disorder NOS is sometimes referred to as subthreshold bipolar disorder.