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X97

X97: Assault by smoke, fire and flames

Non-billable headerICD-10-CM

X97 is a non-billable header ICD-10-CM code for assault by smoke, fire and flames. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

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

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

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

Other codes that can never be billed with X97

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • X96Assault by explosive material

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Arson(with intent to injure or kill)
  • Assault›arson
  • Assault›burning, burns NEC(by fire)
  • Assault›fire
  • Assault›incendiary device
  • Burn, burned, burning›inflicted by other person
  • Assault›burning, burns NEC›cigarette(s)
  • Exposure›fire, flames›assault
  • Exposure›fire, flames›homicide(attempt)
  • Exposure›fire, flames›started by other person

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead X97

3 child codes. Green means billable.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.