F31.8 ICD-10-CM Code: Other bipolar disorders

F31.8 isn’t billable on its own. Choose one of the 2 billable codes beneath it, the one the documentation supports.

Official description

F31.8

Other bipolar disorders

ICD-10-CM diagnosis code · United States clinical modification

Billable codes under F31.8

F31.8 can’t be reported on its own. Choose the code below that matches what the note documents.

Where F31.8 sits

  1. 1

    Chapter 5

    Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

  2. 2

    Section

    Mood [affective] disorders (F30-F39)

  3. 3

    Category F31

    Bipolar disorder

  4. 4

    Code F31.8

    Other bipolar disorders

Notes for this code

Inclusion terms

No inclusion terms are listed for F31.8.

Code first

No “code first” instruction is listed for F31.8.

Use additional code

No “use additional code” instruction is listed for F31.8.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for F31.8.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for F31.8.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code F31.8 mean?

F31.8 is the FY 2027 U.S. ICD-10-CM code for “Other bipolar disorders.”

Is F31.8 a billable or specific ICD-10-CM code?

No. F31.8 has 2 billable codes beneath it in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is F31.8 located in ICD-10-CM?

F31.8 is listed in Chapter 5, Mental, Behavioral and Neurodevelopmental disorders (F01-F99), within Mood [affective] disorders (F30-F39) (F30–F39), under category F31, Bipolar disorder.

What coding notes are listed for F31.8?

No inclusion terms are listed for F31.8 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.