Is F84.9 a billable ICD-10 code?

Yes. F84.9 (Pervasive developmental disorder, unspecified) is billable and can be used for insurance claims. Always verify payer-specific requirements.

F84.9 ✓ Billable

Pervasive developmental disorder, unspecified

Q: What is ICD-10 code F84.9?

ICD-10-CM code F84.9 stands for "Pervasive developmental disorder, unspecified". 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

F84.9

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 F84.9?

ICD-10-CM code F84.9 represents Pervasive developmental disorder, unspecified. It is a billable diagnosis code in the Mental, Behavioral and Neurodevelopmental Disorders chapter, effective October 1, 2025 – September 30, 2026.

Is F84.9 billable?

Yes. F84.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is F84.9 in?

F84.9 belongs to the Mental, Behavioral and Neurodevelopmental Disorders chapter (F01–F99) of ICD-10-CM.

Related codes in the F84 category

F84 Pervasive developmental disorders Non-billable F84.0 Autistic disorder Billable F84.2 Rett's syndrome Billable F84.3 Other childhood disintegrative disorder Billable F84.5 Asperger's syndrome Billable F84.8 Other pervasive developmental disorders Billable

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