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ICD-10-CM 2027 diagnosis code

X02Exposure to controlled fire in building or structure

Not billable — use a more specific code

X02 is a header code, so it can't be reported by itself. Choose one of the 7 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About X02

X02 is the ICD-10-CM diagnosis code for exposure to controlled fire in building or structure. It belongs to block X00-X08 (exposure to smoke, fire and flames) and chapter 20 (external causes of morbidity). It is a header code, so it can't be reported by itself; one of its 7 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: X02.0 (structure), X02.1 (structure), X02.2 (fire), X02.3 (fire), X02.4 (fire), X02.5 (fire) and X02.8 (structure).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under X02

Coding notes

IncludesFurther defines the content of the category
  • exposure to fire in fireplace
  • exposure to fire in stove

Notes that apply from higher levels

Instructions written at a parent level also apply to X02.

Broader instructions also apply from X00-X08 Exposure to smoke, fire and flames and Chapter 20: External causes of morbidity.

Codes whose notes reference X02

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about X02

Is X02 billable?

No. X02 is a header code. Report one of its more specific subcodes instead.