ICD-10 · PDGM grouping
X99 Assault by sharp object
All 15 codes in the X99 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
15
Can lead a claim
0
Cannot lead a claim
15
What CMS assigns to X99
None of the 15 codes is assigned a clinical group. None of the 15 is assigned a comorbidity subgroup. None can lead a claim.
Every code in X99
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 |
|---|---|---|---|---|
| X99.0 Assault by sharp glass | ||||
| X99.0XXA | Assault by sharp glass, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.0XXD | Assault by sharp glass, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.0XXS | Assault by sharp glass, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.1 Assault by knife | ||||
| X99.1XXA | Assault by knife, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.1XXD | Assault by knife, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.1XXS | Assault by knife, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.2 Assault by sword or dagger | ||||
| X99.2XXA | Assault by sword or dagger, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.2XXD | Assault by sword or dagger, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.2XXS | Assault by sword or dagger, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.8 Assault by other sharp object | ||||
| X99.8XXA | Assault by other sharp object, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.8XXD | Assault by other sharp object, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.8XXS | Assault by other sharp object, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.9 Assault by unspecified sharp object | ||||
| X99.9XXA | Assault by unspecified sharp object, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.9XXD | Assault by unspecified sharp object, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| X99.9XXS | Assault by unspecified sharp object, 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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