F31.4Billable

Bipolar disorder, current episode depressed, severe, without psychotic features

Short description: Bipolar disord, crnt epsd depress, sev, w/o psych features

Chapter
5. Mental, Behavioral and Neurodevelopmental disorders
Category
F31
Effective date
October 1, 2026

Related codes in category F31

Frequently asked questions

What is ICD-10 code F31.4?

F31.4 is an ICD-10-CM diagnosis code for Bipolar disorder, current episode depressed, severe, without psychotic features.

Is F31.4 a billable code?

Yes. F31.4 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is F31.4 in?

F31.4 falls under Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.

When did F31.4 become effective?

F31.4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to F31.4?

F31.4 belongs to category F31, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.