F42.9

Billable

Obsessive-compulsive disorder, unspecified

F42.9 is the ICD-10-CM code for Obsessive-compulsive disorder, unspecified. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
F01-F99
Parent
F42
Edition
FY2026

F01-F99 Mental, Behavioral and Neurodevelopmental disorders

What this means — in plain language

MedlinePlus · NIH

What is obsessive-compulsive disorder (OCD)? Obsessive-compulsive disorder (OCD) is a mental disorder in which you have thoughts (obsessions) and rituals (compulsions) over and over. They interfere with your life, but you cannot control or stop them. What causes obsessive-compulsive disorder (OCD)? The cause of obsessive-compulsive disorder (OCD) is unknown. Factors such as genetics, brain biology and chemistry, and…

Read more about Obsessive-Compulsive Disorder at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code F42.9?
F42.9 is the ICD-10-CM code for "Obsessive-compulsive disorder, unspecified". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
Is F42.9 a billable code?
Yes — F42.9 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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