All ICD10 Codes

F31.8

Non-Billable
ChapterF01–F99
Ranksubcategory
Official Description

Other bipolar disorders

Use a more specific code (2 billable)
F31.81Bipolar II disorderF31.89Other bipolar disorder
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).
General instructions are available for the parent sections:
View CH5 NotesView F31 Notes

Clinical Hierarchy

BillableHas subcodes
CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F30-F39Mood [affective] disorders (F30-F39)
F31Bipolar disorder
F31.8Other bipolar disordersNot billable
F31.81Bipolar II disorderBillable
F31.89Other bipolar disorderBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F31.8:

categoryF31
Bipolar disorder
View context instructions
chapterCH5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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