All ICD10 Codes

F91

Non-Billable
ChapterF01–F99
Rankcategory
Official Description

Conduct disorders

Use a more specific code (6 billable)
F91.0Conduct disorder confined to family contextF91.1Conduct disorder, childhood-onset typeF91.2Conduct disorder, adolescent-onset typeF91.3Oppositional defiant disorderF91.8Other conduct disordersF91.9Conduct disorder, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).

CH5 Parent Instructions

Includes
  • disorders of psychological development
Excludes2(Not included here. Code separately if applicable.)
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • antisocial behavior (Z72.81-)
  • antisocial personality disorder (F60.2)
Excludes2(Not included here. Code separately if applicable.)
  • conduct problems associated with attention-deficit hyperactivity disorder (F90.-)
  • mood [affective] disorders (F30-F39)
  • pervasive developmental disorders (F84.-)
  • schizophrenia (F20.-)

Clinical Hierarchy

BillableHas subcodes
CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F90-F98Behavioral and emotional disorders with onset usually occurring in childhood and adolescence (F90-F98)
F91Conduct disordersNot billable
F91.0Conduct disorder confined to family contextBillable
F91.1Conduct disorder, childhood-onset typeBillable
F91.2Conduct disorder, adolescent-onset typeBillable
F91.3Oppositional defiant disorderBillable
F91.8Other conduct disordersBillable
F91.9Conduct disorder, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F91:

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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