F31.6
Non-billableBipolar disorder, current episode mixed
F31.6 is the ICD-10-CM code for Bipolar disorder, current episode mixed. It is a non-billable category code — use a more specific child code such as F31.60 for billing.
F01-F99 Mental, Behavioral and Neurodevelopmental disorders
The patient has had at least one authenticated hypomanic, manic, depressive, or mixed affective episode in the past, and currently exhibits either a mixture or a rapid alteration of manic and depressive symptoms.
What this means — in plain language
MedlinePlus · NIHWhat is bipolar disorder? Bipolar disorder is a mood disorder that can cause intense mood swings: Sometimes you may feel extremely "up," elated, irritable, or energized. This is called a manic episode . Other times you may feel "down," sad, indifferent, or hopeless. This is called a depressive episode . You may have both manic and depressive symptoms together. This is called a mixed episode . Along with mood swings,…
Read more about Bipolar Disorder at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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