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ICD-10-CM 2027 diagnosis code

X01.3XXAFall due to uncontrolled fire, not in building or structure, initial encounter

✓ Billable / specificRequires 7th character

X01.3XXA is a valid, billable ICD-10-CM code for fall due to uncontrolled fire, not in building or structure, initial encounter. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.Short description: Fall due to uncontrolled fire, not in bldg, init

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 X01.3XXA

X01.3XXA is the ICD-10-CM diagnosis code for fall due to uncontrolled fire, not in building or structure, initial encounter. It belongs to category X01 (exposure to uncontrolled fire, not 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 "A" means initial encounter: use it while the patient is receiving active treatment for the condition.

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 E892 (conflagration not in building or structure).

7th character

Ainitial encounter

Other encounter types for X01.3:

Notes that apply from higher levels

Instructions written at a parent level also apply to X01.3XXA.

› From X01 Exposure to uncontrolled fire, not in building or structure
Includes
  • exposure to forest fire

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 →
  • E892Conflagration not in building or structureapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

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 X01.3XXA

Is X01.3XXA billable?

Yes. X01.3XXA is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

What does the "A" at the end of X01.3XXA mean?

It is the 7th character for initial encounter. Per the official guidelines, use it while the patient is receiving active treatment for the condition.

Can X01.3XXA be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict X01.3XXA as a principal diagnosis.

Is X01.3XXA a CC or MCC?

No. X01.3XXA is neither a CC nor an MCC under MS-DRG v44.0.

What is the ICD-9 code for X01.3XXA?

The CMS General Equivalence Mappings map X01.3XXA to ICD-9-CM E892.