Exposure to ignition or melting of nightwear
In Exposure to smoke, fire and flames (X00-X08), chapter 20: External Causes of Morbidity
3 billable codes under X05: none are a CC or MCC; none map to an HCC.
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Instructional notes
Excludes2: not included here, code separately if applicable
- exposure to uncontrolled fire in building or structure (X00.-)
- exposure to uncontrolled fire, not in building or structure (X01.-)
- exposure to controlled fire in building or structure (X02.-)
- exposure to controlled fire, not in building or structure (X03.-)
- exposure to ignition of highly flammable materials (X04.-)
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 X05.
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 X05
X05 can't be used on a claim. Pick a billable code below; grey headings group them.
X05 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
Other codes that refer to X05
Notes on these codes point to X05.
Code history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.