F63.1 ICD-10-CM

ICD-10-CM code F63.1 describes pathological fire-setting [pyromania]. Deliberate and purposeful fire-setting on more than one occasion. It is a billable, specific code valid for claim submission. It is grouped under the “Personality & Impulse-Control Disorders” section of the mental, behavioral, and neurodevelopmental disorders chapter.

When to use F63.1

These codes report enduring personality patterns and impulse-control disorders such as borderline, antisocial, and intermittent explosive disorder. Code the specific disorder when the criteria are met. For F63.1 specifically, deliberate and purposeful fire-setting on more than one occasion.

Documentation & billing

Document the enduring pattern and its functional impact. Distinguish a clinical disorder such as OCD (F42) from the corresponding personality disorder such as OCPD (F60.5).

Common pitfalls

• Confusing obsessive-compulsive disorder (F42) with obsessive-compulsive personality disorder (F60.5).
• Using unspecified personality disorder when a specific type is documented.
• Coding impulse-control behavior under a conduct or personality code when the criteria differ.

Common search terms for F63.1

Clinicians often look up F63.1 using plain-language terms. This code maps to:

Frequently asked questions