ICD-10 · PDGM grouping
X98 Assault by steam, hot vapors and hot objects
All 18 codes in the X98 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.
Codes in family
18
Can lead a claim
0
Cannot lead a claim
18
What CMS assigns to X98
None of the 18 codes is assigned a clinical group. None of the 18 is assigned a comorbidity subgroup. None can lead a claim.
Every code in X98
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| X98.0 Assault by steam or hot vapors | ||||
| X98.0XXA | Assault by steam or hot vapors, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.0XXD | Assault by steam or hot vapors, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.0XXS | Assault by steam or hot vapors, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.1 Assault by hot tap water | ||||
| X98.1XXA | Assault by hot tap water, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.1XXD | Assault by hot tap water, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.1XXS | Assault by hot tap water, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.2 Assault by hot fluids | ||||
| X98.2XXA | Assault by hot fluids, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.2XXD | Assault by hot fluids, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.2XXS | Assault by hot fluids, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.3 Assault by hot household appliances | ||||
| X98.3XXA | Assault by hot household appliances, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.3XXD | Assault by hot household appliances, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.3XXS | Assault by hot household appliances, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.8 Assault by other hot objects | ||||
| X98.8XXA | Assault by other hot objects, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.8XXD | Assault by other hot objects, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.8XXS | Assault by other hot objects, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.9 Assault by unspecified hot objects | ||||
| X98.9XXA | Assault by unspecified hot objects, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.9XXD | Assault by unspecified hot objects, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X98.9XXS | Assault by unspecified hot objects, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
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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