October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

X02 Exposure to controlled fire in building or structure

All 21 codes in the X02 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in family

21

Can lead a claim

0

Cannot lead a claim

21

What CMS assigns to X02

None of the 21 codes is assigned a clinical group. None of the 21 is assigned a comorbidity subgroup. None can lead a claim.

Every code in X02

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
X02.0 Exposure to flames in controlled fire in building or structure
X02.0XXAExposure to flames in controlled fire in building or structure, initial encounterCMS: Exposure to flames in controlled fire in bldg, initCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.0XXDExposure to flames in controlled fire in building or structure, subsequent encounterCMS: Exposure to flames in controlled fire in bldg, subsCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.0XXSExposure to flames in controlled fire in building or structure, sequelaCMS: Exposure to flames in controlled fire in bldg, sequelaCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.1 Exposure to smoke in controlled fire in building or structure
X02.1XXAExposure to smoke in controlled fire in building or structure, initial encounterCMS: Exposure to smoke in controlled fire in bldg, initCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.1XXDExposure to smoke in controlled fire in building or structure, subsequent encounterCMS: Exposure to smoke in controlled fire in bldg, subsCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.1XXSExposure to smoke in controlled fire in building or structure, sequelaCMS: Exposure to smoke in controlled fire in bldg, sequelaCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.2 Injury 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 encounterCMS: Injury due to collapse of burning bldg in ctrl fire, initCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.2XXDInjury due to collapse of burning building or structure in controlled fire, subsequent encounterCMS: Injury due to collapse of burning bldg in ctrl fire, subsCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.2XXSInjury due to collapse of burning building or structure in controlled fire, sequelaCMS: Injury due to collapse of burning bldg in ctrl fire, sequelaCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.3 Fall from burning building or structure in controlled fire
X02.3XXAFall from burning building or structure in controlled fire, initial encounterCMS: Fall from burning bldg in controlled fire, initCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.3XXDFall from burning building or structure in controlled fire, subsequent encounterCMS: Fall from burning bldg in controlled fire, subsCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.3XXSFall from burning building or structure in controlled fire, sequelaCMS: Fall from burning bldg in controlled fire, sequelaCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.4 Hit by object from burning building or structure in controlled fire
X02.4XXAHit by object from burning building or structure in controlled fire, initial encounterCMS: Hit by object from burning bldg in controlled fire, initCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.4XXDHit by object from burning building or structure in controlled fire, subsequent encounterCMS: Hit by object from burning bldg in controlled fire, subsCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.4XXSHit by object from burning building or structure in controlled fire, sequelaCMS: Hit by object from burning bldg in controlled fire, sequelaCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.5 Jump from burning building or structure in controlled fire
X02.5XXAJump from burning building or structure in controlled fire, initial encounterCMS: Jump from burning bldg in controlled fire, initCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.5XXDJump from burning building or structure in controlled fire, subsequent encounterCMS: Jump from burning bldg in controlled fire, subsCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.5XXSJump from burning building or structure in controlled fire, sequelaCMS: Jump from burning bldg in controlled fire, sequelaCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.8 Other exposure to controlled fire in building or structure
X02.8XXAOther exposure to controlled fire in building or structure, initial encounterCMS: Oth exposure to controlled fire in bldg, initCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.8XXDOther exposure to controlled fire in building or structure, subsequent encounterCMS: Oth exposure to controlled fire in bldg, subsCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
X02.8XXSOther exposure to controlled fire in building or structure, sequelaCMS: Oth exposure to controlled fire in bldg, sequelaCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone

Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.

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