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

S28 Crushing injury of thorax, and traumatic amputation of part of thorax

All 24 codes in the S28 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

24

Can lead a claim

18

Cannot lead a claim

6

What CMS assigns to S28

18 of the 24 codes group to Wound (15) and MMTA - Other (3); 6 are assigned no clinical group. None of the 24 is assigned a comorbidity subgroup. 18 of the 24 can lead a claim.

Every code in S28

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
S28.0 Crushed chest
S28.0XXACrushed chest, initial encounterCan lead a claimANone
S28.0XXDCrushed chest, subsequent encounterCan lead a claimANone
S28.0XXSCrushed chest, sequelaCan lead a claimANone
S28.1 Traumatic amputation (partial) of part of thorax, except breast
S28.1XXATraumatic amputation (partial) of part of thorax, except breast, initial encounterCMS: Traumatic amp of part of thorax, except breast, initCan lead a claimCNone
S28.1XXDTraumatic amputation (partial) of part of thorax, except breast, subsequent encounterCMS: Traumatic amp of part of thorax, except breast, subsCan lead a claimCNone
S28.1XXSTraumatic amputation (partial) of part of thorax, except breast, sequelaCMS: Traumatic amp of part of thorax, except breast, sequelaCan lead a claimCNone
S28.2 Traumatic amputation of breast
S28.21 Complete traumatic amputation of breast
S28.211 Complete traumatic amputation of right breast
S28.211AComplete traumatic amputation of right breast, initial encounterCMS: Complete traumatic amputation of right breast, init encntrCan lead a claimCNone
S28.211DComplete traumatic amputation of right breast, subsequent encounterCMS: Complete traumatic amputation of right breast, subs encntrCan lead a claimCNone
S28.211SComplete traumatic amputation of right breast, sequelaCan lead a claimCNone
S28.212 Complete traumatic amputation of left breast
S28.212AComplete traumatic amputation of left breast, initial encounterCMS: Complete traumatic amputation of left breast, init encntrCan lead a claimCNone
S28.212DComplete traumatic amputation of left breast, subsequent encounterCMS: Complete traumatic amputation of left breast, subs encntrCan lead a claimCNone
S28.212SComplete traumatic amputation of left breast, sequelaCan lead a claimCNone
S28.219 Complete traumatic amputation of unspecified breast
S28.219AComplete traumatic amputation of unspecified breast, initial encounterCMS: Complete traumatic amputation of unsp breast, init encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S28.219DComplete traumatic amputation of unspecified breast, subsequent encounterCMS: Complete traumatic amputation of unsp breast, subs encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S28.219SComplete traumatic amputation of unspecified breast, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S28.22 Partial traumatic amputation of breast
S28.221 Partial traumatic amputation of right breast
S28.221APartial traumatic amputation of right breast, initial encounterCMS: Partial traumatic amputation of right breast, init encntrCan lead a claimCNone
S28.221DPartial traumatic amputation of right breast, subsequent encounterCMS: Partial traumatic amputation of right breast, subs encntrCan lead a claimCNone
S28.221SPartial traumatic amputation of right breast, sequelaCan lead a claimCNone
S28.222 Partial traumatic amputation of left breast
S28.222APartial traumatic amputation of left breast, initial encounterCMS: Partial traumatic amputation of left breast, init encntrCan lead a claimCNone
S28.222DPartial traumatic amputation of left breast, subsequent encounterCMS: Partial traumatic amputation of left breast, subs encntrCan lead a claimCNone
S28.222SPartial traumatic amputation of left breast, sequelaCan lead a claimCNone
S28.229 Partial traumatic amputation of unspecified breast
S28.229APartial traumatic amputation of unspecified breast, initial encounterCMS: Partial traumatic amputation of unsp breast, init encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S28.229DPartial traumatic amputation of unspecified breast, subsequent encounterCMS: Partial traumatic amputation of unsp breast, subs encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S28.229SPartial traumatic amputation of unspecified breast, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone

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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