ICD-10 · PDGM grouping
Y28 Contact with sharp object, undetermined intent
All 15 codes in the Y28 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 Y28
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 Y28
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 |
|---|---|---|---|---|
| Y28.0 Contact with sharp glass, undetermined intent | ||||
| Y28.0XXA | Contact with sharp glass, undetermined intent, initial encounterCMS: Contact with sharp glass, undetermined intent, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.0XXD | Contact with sharp glass, undetermined intent, subsequent encounterCMS: Contact with sharp glass, undetermined intent, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.0XXS | Contact with sharp glass, undetermined intent, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.1 Contact with knife, undetermined intent | ||||
| Y28.1XXA | Contact with knife, undetermined intent, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.1XXD | Contact with knife, undetermined intent, subsequent encounterCMS: Contact with knife, undetermined intent, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.1XXS | Contact with knife, undetermined intent, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.2 Contact with sword or dagger, undetermined intent | ||||
| Y28.2XXA | Contact with sword or dagger, undetermined intent, initial encounterCMS: Contact w sword or dagger, undetermined intent, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.2XXD | Contact with sword or dagger, undetermined intent, subsequent encounterCMS: Contact w sword or dagger, undetermined intent, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.2XXS | Contact with sword or dagger, undetermined intent, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.8 Contact with other sharp object, undetermined intent | ||||
| Y28.8XXA | Contact with other sharp object, undetermined intent, initial encounterCMS: Contact w oth sharp object, undetermined intent, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.8XXD | Contact with other sharp object, undetermined intent, subsequent encounterCMS: Contact w oth sharp object, undetermined intent, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.8XXS | Contact with other sharp object, undetermined intent, sequelaCMS: Contact with oth sharp object, undetermined intent, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.9 Contact with unspecified sharp object, undetermined intent | ||||
| Y28.9XXA | Contact with unspecified sharp object, undetermined intent, initial encounterCMS: Contact w unsp sharp object, undetermined intent, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.9XXD | Contact with unspecified sharp object, undetermined intent, subsequent encounterCMS: Contact w unsp sharp object, undetermined intent, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y28.9XXS | Contact with unspecified sharp object, undetermined intent, sequelaCMS: Contact with unsp sharp object, undetermined intent, 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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