2026 ICD-10-CM Diagnosis Code X97Assault by smoke, fire and flames

ICD-10-CM CodesV01–Y99X92-Y09X97

ICD-10-CM X97
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

X97 is a non-billable ICD-10-CM category code for assault by smoke, fire and flames, so it cannot be submitted on claims. Use a more specific code from this category instead, such as X97.XXXA, X97.XXXD, and X97.XXXS.

Code Identity

ICD-10-CM Code
X97
Billable Status
No — Non-Billable Category
Code Describes
Assault by smoke, fire and flames
Chapter
X92-Y09
Assault

Code Classification

ChapterV01–Y99External causes of morbidity and mortality
SectionX92-Y09Assault
CategoryX97Assault by smoke, fire and flames
This CodeX97Assault by smoke, fire and flames

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Assault by arson
  • Assault by cigarettes
  • Assault by incendiary device

7th Character Note

  • The appropriate 7th character is to be added to code X97

7th Character

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Patient EducationClinical

Burns

A burn is damage to your body's tissues caused by heat, chemicals, electricity, sunlight, or radiation. Scalds from hot liquids and steam, building fires and flammable liquids and gases are the most common causes of burns. Another kind is an inhalation injury, caused by breathing smoke.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About X97Overview

Is X97 (Assault by smoke, fire and flames) a billable code?

No. This is a category header that groups the codes for assault by smoke, fire and flames, and headers cannot be submitted on claims. Claims for assault by smoke, fire and flames need a more specific code from this category, such as X97.XXXA, X97.XXXD, and X97.XXXS.