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2 Minute Medicine ICD-10 Lookup

ICD-10-CM code · FY2027

F91.8 Other conduct disorders

BillableValid for claims as a specific diagnosis code

About F91.8

Code: F91.8
Billable: Yes
Short description: Other conduct disorders
Category: F91 Conduct disorders
Block: F90-F98 Behavioral and emotional disorders with onset usually occurring in childhood and adolescence
Chapter: 5 Mental, Behavioral and Neurodevelopmental disorders
Code set: FY2027, October 1, 2026 to September 30, 2027

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Coding notes for F91.8

Applicable to Other names for conditions reported with this code.

Other specified conduct disorder
Other specified disruptive disorder

Also applies, from F91 Conduct disorders

Excludes1 Not coded here: never report these together with this code (use the code given instead).

antisocial behavior (Z72.81-)
antisocial personality disorder (F60.2)

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

conduct problems associated with attention-deficit hyperactivity disorder (F90.-)
mood [affective] disorders (F30-F39)
pervasive developmental disorders (F84.-)
schizophrenia (F20.-)

Block F90-F98 notes (apply to every code in it)

Note

Codes within categories F90-F98 may be used regardless of the age of a patient. These disorders generally have onset within the childhood or adolescent years, but may continue throughout life or not be diagnosed until adulthood

Chapter 5 notes (apply to every code in it)

Includes Conditions this code covers.

disorders of psychological development

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Related codes in F91

F91.0 Conduct disorder confined to family contextBillable
F91.1 Conduct disorder, childhood-onset typeBillable
F91.2 Conduct disorder, adolescent-onset typeBillable
F91.3 Oppositional defiant disorderBillable
F91.9 Conduct disorder, unspecifiedBillable

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