ICD-10-CM 2027
ICD-10 code for pathological compulsive fire-setting
From the official ICD-10-CM alphabetic index entry “Fire-setting › pathological (compulsive)”. Page updated September 29, 2026.
About coding pathological compulsive fire-setting
The ICD-10-CM code for pathological compulsive fire-setting is F63.1 (Pyromania).
Within F63 (impulse disorders), F63.1 is specifically for Pyromania. Related codes cover pathological gambling (F63.0), Kleptomania (F63.2), Trichotillomania (F63.3), other impulse disorders (F63.8) and impulse disorder, unspecified (F63.9).
The conditions in its Excludes2 note aren't part of F63.1, but may be coded alongside it if the patient has both: adult with antisocial personality disorder (F60.2), alcohol or psychoactive substance intoxication (F10-F19), conduct disorders (F91.-), mental disorders due to known physiological condition (F01-F09) and 1 more.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about pathological compulsive fire-setting ICD-10 codes
What is the ICD-10 code for pathological compulsive fire-setting?
- F63.1 — Pyromania.
Is F63.1 billable?
- Yes. F63.1 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can F63.1 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict F63.1 as a principal diagnosis.
Is F63.1 a CC or MCC?
- No. F63.1 is neither a CC nor an MCC under MS-DRG v44.0.