Exposure to smoke, fire and flames (X00-X08)

Instructional notes

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)

Read Section I.C.20 (page 87), 3 more topics

All codes under X00-X08

X00-X08 can't be used on a claim. Pick a billable code below; grey headings group them.

• X00Exposure to uncontrolled fire in building or structure
• X00.0Exposure to flames in uncontrolled fire in building or structure
• X00.0XXAExposure to flames in uncontrolled fire in building or structure, initial encounter
• X00.0XXDExposure to flames in uncontrolled fire in building or structure, subsequent encounter
• X00.0XXSExposure to flames in uncontrolled fire in building or structure, sequela
• X00.1Exposure to smoke in uncontrolled fire in building or structure
• X00.1XXAExposure to smoke in uncontrolled fire in building or structure, initial encounter
• X00.1XXDExposure to smoke in uncontrolled fire in building or structure, subsequent encounter
• X00.1XXSExposure to smoke in uncontrolled fire in building or structure, sequela
• X00.2Injury due to collapse of burning building or structure in uncontrolled fire
• X00.2XXAInjury due to collapse of burning building or structure in uncontrolled fire, initial encounter
• X00.2XXDInjury due to collapse of burning building or structure in uncontrolled fire, subsequent encounter
• X00.2XXSInjury due to collapse of burning building or structure in uncontrolled fire, sequela
• X00.3Fall from burning building or structure in uncontrolled fire
• X00.3XXAFall from burning building or structure in uncontrolled fire, initial encounter
• X00.3XXDFall from burning building or structure in uncontrolled fire, subsequent encounter
• X00.3XXSFall from burning building or structure in uncontrolled fire, sequela
• X00.4Hit by object from burning building or structure in uncontrolled fire
• X00.4XXAHit by object from burning building or structure in uncontrolled fire, initial encounter
• X00.4XXDHit by object from burning building or structure in uncontrolled fire, subsequent encounter
• X00.4XXSHit by object from burning building or structure in uncontrolled fire, sequela
• X00.5Jump from burning building or structure in uncontrolled fire
• X00.5XXAJump from burning building or structure in uncontrolled fire, initial encounter
• X00.5XXDJump from burning building or structure in uncontrolled fire, subsequent encounter
• X00.5XXSJump from burning building or structure in uncontrolled fire, sequela
• X00.8Other exposure to uncontrolled fire in building or structure
• X00.8XXAOther exposure to uncontrolled fire in building or structure, initial encounter
• X00.8XXDOther exposure to uncontrolled fire in building or structure, subsequent encounter
• X00.8XXSOther exposure to uncontrolled fire in building or structure, sequela
• X01Exposure to uncontrolled fire, not in building or structure
• 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
• X02Exposure to controlled fire in building or structure
• X02.0Exposure to flames in controlled fire in building or structure
• X02.0XXAExposure to flames in controlled fire in building or structure, initial encounter
• X02.0XXDExposure to flames in controlled fire in building or structure, subsequent encounter
• X02.0XXSExposure to flames in controlled fire in building or structure, sequela
• X02.1Exposure to smoke in controlled fire in building or structure
• X02.1XXAExposure to smoke in controlled fire in building or structure, initial encounter
• X02.1XXDExposure to smoke in controlled fire in building or structure, subsequent encounter
• X02.1XXSExposure to smoke in controlled fire in building or structure, sequela
• X02.2Injury due to collapse of burning building or structure in controlled fire
• X02.2XXAInjury due to collapse of burning building or structure in controlled fire, initial encounter
• X02.2XXDInjury due to collapse of burning building or structure in controlled fire, subsequent encounter
• X02.2XXSInjury due to collapse of burning building or structure in controlled fire, sequela
• X02.3Fall from burning building or structure in controlled fire
• X02.3XXAFall from burning building or structure in controlled fire, initial encounter
• X02.3XXDFall from burning building or structure in controlled fire, subsequent encounter
• X02.3XXSFall from burning building or structure in controlled fire, sequela
• X02.4Hit by object from burning building or structure in controlled fire
• X02.4XXAHit by object from burning building or structure in controlled fire, initial encounter
• X02.4XXDHit by object from burning building or structure in controlled fire, subsequent encounter
• X02.4XXSHit by object from burning building or structure in controlled fire, sequela
• X02.5Jump from burning building or structure in controlled fire
• X02.5XXAJump from burning building or structure in controlled fire, initial encounter
• X02.5XXDJump from burning building or structure in controlled fire, subsequent encounter
• X02.5XXSJump from burning building or structure in controlled fire, sequela
• X02.8Other exposure to controlled fire in building or structure
• X02.8XXAOther exposure to controlled fire in building or structure, initial encounter
• X02.8XXDOther exposure to controlled fire in building or structure, subsequent encounter
• X02.8XXSOther exposure to controlled fire in building or structure, sequela
• X03Exposure to controlled fire, not in building or structure
• X03.0Exposure to flames in controlled fire, not in building or structure
• X03.0XXAExposure to flames in controlled fire, not in building or structure, initial encounter
• X03.0XXDExposure to flames in controlled fire, not in building or structure, subsequent encounter
• X03.0XXSExposure to flames in controlled fire, not in building or structure, sequela
• X03.1Exposure to smoke in controlled fire, not in building or structure
• X03.1XXAExposure to smoke in controlled fire, not in building or structure, initial encounter
• X03.1XXDExposure to smoke in controlled fire, not in building or structure, subsequent encounter
• X03.1XXSExposure to smoke in controlled fire, not in building or structure, sequela
• X03.3Fall due to controlled fire, not in building or structure
• X03.3XXAFall due to controlled fire, not in building or structure, initial encounter
• X03.3XXDFall due to controlled fire, not in building or structure, subsequent encounter
• X03.3XXSFall due to controlled fire, not in building or structure, sequela
• X03.4Hit by object due to controlled fire, not in building or structure
• X03.4XXAHit by object due to controlled fire, not in building or structure, initial encounter
• X03.4XXDHit by object due to controlled fire, not in building or structure, subsequent encounter
• X03.4XXSHit by object due to controlled fire, not in building or structure, sequela
• X03.8Other exposure to controlled fire, not in building or structure
• X03.8XXAOther exposure to controlled fire, not in building or structure, initial encounter
• X03.8XXDOther exposure to controlled fire, not in building or structure, subsequent encounter
• X03.8XXSOther exposure to controlled fire, not in building or structure, sequela
• X04Exposure to ignition of highly flammable material
• X04.XXXAExposure to ignition of highly flammable material, initial encounter
• X04.XXXDExposure to ignition of highly flammable material, subsequent encounter
• X04.XXXSExposure to ignition of highly flammable material, sequela
• X05Exposure to ignition or melting of nightwear
• X05.XXXAExposure to ignition or melting of nightwear, initial encounter
• X05.XXXDExposure to ignition or melting of nightwear, subsequent encounter
• X05.XXXSExposure to ignition or melting of nightwear, sequela
• X06Exposure to ignition or melting of other clothing and apparel
• X06.0Exposure to ignition of plastic jewelry
• X06.0XXAExposure to ignition of plastic jewelry, initial encounter
• X06.0XXDExposure to ignition of plastic jewelry, subsequent encounter
• X06.0XXSExposure to ignition of plastic jewelry, sequela
• X06.1Exposure to melting of plastic jewelry
• X06.1XXAExposure to melting of plastic jewelry, initial encounter
• X06.1XXDExposure to melting of plastic jewelry, subsequent encounter
• X06.1XXSExposure to melting of plastic jewelry, sequela
• X06.2Exposure to ignition of other clothing and apparel
• X06.2XXAExposure to ignition of other clothing and apparel, initial encounter
• X06.2XXDExposure to ignition of other clothing and apparel, subsequent encounter
• X06.2XXSExposure to ignition of other clothing and apparel, sequela
• X06.3Exposure to melting of other clothing and apparel
• X06.3XXAExposure to melting of other clothing and apparel, initial encounter
• X06.3XXDExposure to melting of other clothing and apparel, subsequent encounter
• X06.3XXSExposure to melting of other clothing and apparel, sequela
• X08Exposure to other specified smoke, fire and flames
• X08.0Exposure to bed fire
• X08.00Exposure to bed fire due to unspecified burning material
• X08.00XAExposure to bed fire due to unspecified burning material, initial encounter
• X08.00XDExposure to bed fire due to unspecified burning material, subsequent encounter
• X08.00XSExposure to bed fire due to unspecified burning material, sequela
• X08.01Exposure to bed fire due to burning cigarette
• X08.01XAExposure to bed fire due to burning cigarette, initial encounter
• X08.01XDExposure to bed fire due to burning cigarette, subsequent encounter
• X08.01XSExposure to bed fire due to burning cigarette, sequela
• X08.09Exposure to bed fire due to other burning material
• X08.09XAExposure to bed fire due to other burning material, initial encounter
• X08.09XDExposure to bed fire due to other burning material, subsequent encounter
• X08.09XSExposure to bed fire due to other burning material, sequela
• X08.1Exposure to sofa fire
• X08.10Exposure to sofa fire due to unspecified burning material
• X08.10XAExposure to sofa fire due to unspecified burning material, initial encounter
• X08.10XDExposure to sofa fire due to unspecified burning material, subsequent encounter
• X08.10XSExposure to sofa fire due to unspecified burning material, sequela
• X08.11Exposure to sofa fire due to burning cigarette
• X08.11XAExposure to sofa fire due to burning cigarette, initial encounter
• X08.11XDExposure to sofa fire due to burning cigarette, subsequent encounter
• X08.11XSExposure to sofa fire due to burning cigarette, sequela
• X08.19Exposure to sofa fire due to other burning material
• X08.19XAExposure to sofa fire due to other burning material, initial encounter
• X08.19XDExposure to sofa fire due to other burning material, subsequent encounter
• X08.19XSExposure to sofa fire due to other burning material, sequela
• X08.2Exposure to other furniture fire
• X08.20Exposure to other furniture fire due to unspecified burning material
• X08.20XAExposure to other furniture fire due to unspecified burning material, initial encounter
• X08.20XDExposure to other furniture fire due to unspecified burning material, subsequent encounter
• X08.20XSExposure to other furniture fire due to unspecified burning material, sequela
• X08.21Exposure to other furniture fire due to burning cigarette
• X08.21XAExposure to other furniture fire due to burning cigarette, initial encounter
• X08.21XDExposure to other furniture fire due to burning cigarette, subsequent encounter
• X08.21XSExposure to other furniture fire due to burning cigarette, sequela
• X08.29Exposure to other furniture fire due to other burning material
• X08.29XAExposure to other furniture fire due to other burning material, initial encounter
• X08.29XDExposure to other furniture fire due to other burning material, subsequent encounter
• X08.29XSExposure to other furniture fire due to other burning material, sequela
• X08.8Exposure to other specified smoke, fire and flames
• X08.8XXAExposure to other specified smoke, fire and flames, initial encounter
• X08.8XXDExposure to other specified smoke, fire and flames, subsequent encounter
• X08.8XXSExposure to other specified smoke, fire and flames, sequela

X00-X08 MS-DRGs

This code does not group to an MS-DRG as a principal diagnosis.

Other codes that refer to X00-X08

Notes on these codes point to X00-X08.

• X10-X19 Excludes1: exposure to fire and flames (X00-X08)
• X19 Excludes1: objects that are not normally hot, e.g., an object made hot by a house fire (X00-X08)