Is F91.1 a billable ICD-10 code?

Yes. F91.1 (Conduct disorder, childhood-onset type) is billable and can be used for insurance claims. Always verify payer-specific requirements.

F91.1 ✓ Billable

Conduct disorder, childhood-onset type

Q: What is ICD-10 code F91.1?

ICD-10-CM code F91.1 stands for "Conduct disorder, childhood-onset type". It is a billable code in the Mental, Behavioral and Neurodevelopmental Disorders chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Mental, Behavioral and Neurodevelopmental Disorders

Code

F91.1

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Mental, Behavioral and Neurodevelopmental Disorders

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code F91.1?

ICD-10-CM code F91.1 represents Conduct disorder, childhood-onset type. It is a billable diagnosis code in the Mental, Behavioral and Neurodevelopmental Disorders chapter, effective October 1, 2025 – September 30, 2026.

Is F91.1 billable?

Yes. F91.1 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is F91.1 in?

F91.1 belongs to the Mental, Behavioral and Neurodevelopmental Disorders chapter (F01–F99) of ICD-10-CM.

Related codes in the F91 category

F91 Conduct disorders Non-billable F91.0 Conduct disorder confined to family context Billable F91.2 Conduct disorder, adolescent-onset type Billable F91.3 Oppositional defiant disorder Billable F91.8 Other conduct disorders Billable F91.9 Conduct disorder, unspecified Billable

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