ICD-10-CM 2027 diagnosis code
X00.1XXDExposure to smoke in uncontrolled fire in building or structure, subsequent encounter
X00.1XXD is a valid, billable ICD-10-CM code for exposure to smoke in uncontrolled fire in building or structure, subsequent encounter. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.Short description: Exposure to smoke in uncontrolled fire in bldg, subs
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 X00.1XXD
X00.1XXD is the ICD-10-CM diagnosis code for exposure to smoke in uncontrolled fire in building or structure, subsequent encounter. It belongs to category X00 (exposure to uncontrolled fire in building or structure), block X00-X08 (exposure to smoke, fire and flames) and chapter 20 (external causes of morbidity). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.
The 7th character "D" means subsequent encounter: use it for encounters after active treatment, while the patient is healing or recovering.
Code first: any associated cataclysm.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
Before ICD-10, this condition was coded in ICD-9-CM as E890.2 (other smoke and fumes from conflagration in private dwelling).
7th character
Dsubsequent encounter
Other encounter types for X00.1:
Notes that apply from higher levels
Instructions written at a parent level also apply to X00.1XXD.
Broader instructions also apply from X00-X08 Exposure to smoke, fire and flames and Chapter 20: External causes of morbidity.
ICD-9-CM equivalent
Converter →- E890.2Other smoke and fumes from conflagration in private dwellingapproximate
From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about X00.1XXD
Is X00.1XXD billable?
- Yes. X00.1XXD is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
What does the "D" at the end of X00.1XXD mean?
- It is the 7th character for subsequent encounter. Per the official guidelines, use it for encounters after active treatment, while the patient is healing or recovering.
Can X00.1XXD be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict X00.1XXD as a principal diagnosis.
Is X00.1XXD a CC or MCC?
- No. X00.1XXD is neither a CC nor an MCC under MS-DRG v44.0.