Exposure to uncontrolled fire, not in building or structure
In Exposure to smoke, fire and flames (X00-X08), chapter 20: External Causes of Morbidity
15 billable codes under X01: none are a CC or MCC; none map to an HCC.
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Instructional notes
Includes: conditions that are coded here
- exposure to forest fire
Also applies, from Exposure to smoke, fire and flames (X00-X08)
These notes sit on X00-X08 and apply to every code under it, including X01.
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers how to report external cause codes (V00-Y99) describing cause, intent, place, activity, and status. They are never principal or first-listed, and reporting is voluntary unless required.
- General External Cause Coding Guidelines (page 88)
- Place of Occurrence Guideline (page 89)
- Activity Code (page 89)
- Place of Occurrence, Activity, and Status Codes Used with other External Cause Code (page 89)
- If the Reporting Format Limits the Number of External Cause Codes (page 90)
- Multiple External Cause Coding Guidelines (page 90)
- Child and Adult Abuse Guideline (page 90)
- Unknown or Undetermined Intent Guideline (page 91)
All codes under X01
X01 can't be used on a claim. Pick a billable code below; grey headings group them.
- X01.0Exposure to flames in uncontrolled fire, not in building or structure
- X01.0XXAExposure to flames in uncontrolled fire, not in building or structure, initial encounter
- X01.0XXDExposure to flames in uncontrolled fire, not in building or structure, subsequent encounter
- X01.0XXSExposure to flames in uncontrolled fire, not in building or structure, sequela
- X01.1Exposure to smoke in uncontrolled fire, not in building or structure
- X01.1XXAExposure to smoke in uncontrolled fire, not in building or structure, initial encounter
- X01.1XXDExposure to smoke in uncontrolled fire, not in building or structure, subsequent encounter
- X01.1XXSExposure to smoke in uncontrolled fire, not in building or structure, sequela
- X01.3Fall due to uncontrolled fire, not in building or structure
- X01.3XXAFall due to uncontrolled fire, not in building or structure, initial encounter
- X01.3XXDFall due to uncontrolled fire, not in building or structure, subsequent encounter
- X01.3XXSFall due to uncontrolled fire, not in building or structure, sequela
- X01.4Hit by object due to uncontrolled fire, not in building or structure
- X01.4XXAHit by object due to uncontrolled fire, not in building or structure, initial encounter
- X01.4XXDHit by object due to uncontrolled fire, not in building or structure, subsequent encounter
- X01.4XXSHit by object due to uncontrolled fire, not in building or structure, sequela
- X01.8Other exposure to uncontrolled fire, not in building or structure
- X01.8XXAOther exposure to uncontrolled fire, not in building or structure, initial encounter
- X01.8XXDOther exposure to uncontrolled fire, not in building or structure, subsequent encounter
- X01.8XXSOther exposure to uncontrolled fire, not in building or structure, sequela
X01 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
Other codes that refer to X01
Notes on these codes point to X01.
Code history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.