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

S87 Crushing injury of lower leg

All 18 codes in the S87 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

18

Can lead a claim

12

Cannot lead a claim

6

What CMS assigns to S87

12 of the 18 codes group to Musculoskeletal Rehabilitation; 6 are assigned no clinical group. None of the 18 is assigned a comorbidity subgroup. 12 of the 18 can lead a claim.

Every code in S87

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
S87.0 Crushing injury of knee
S87.00 Crushing injury of unspecified knee
S87.00XACrushing injury of unspecified knee, initial encounterCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S87.00XDCrushing injury of unspecified knee, subsequent encounterCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S87.00XSCrushing injury of unspecified knee, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S87.01 Crushing injury of right knee
S87.01XACrushing injury of right knee, initial encounterCan lead a claimENone
S87.01XDCrushing injury of right knee, subsequent encounterCan lead a claimENone
S87.01XSCrushing injury of right knee, sequelaCan lead a claimENone
S87.02 Crushing injury of left knee
S87.02XACrushing injury of left knee, initial encounterCan lead a claimENone
S87.02XDCrushing injury of left knee, subsequent encounterCan lead a claimENone
S87.02XSCrushing injury of left knee, sequelaCan lead a claimENone
S87.8 Crushing injury of lower leg
S87.80 Crushing injury of unspecified lower leg
S87.80XACrushing injury of unspecified lower leg, initial encounterCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S87.80XDCrushing injury of unspecified lower leg, subsequent encounterCMS: Crushing injury of unspecified lower leg, subs encntrCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S87.80XSCrushing injury of unspecified lower leg, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S87.81 Crushing injury of right lower leg
S87.81XACrushing injury of right lower leg, initial encounterCan lead a claimENone
S87.81XDCrushing injury of right lower leg, subsequent encounterCan lead a claimENone
S87.81XSCrushing injury of right lower leg, sequelaCan lead a claimENone
S87.82 Crushing injury of left lower leg
S87.82XACrushing injury of left lower leg, initial encounterCan lead a claimENone
S87.82XDCrushing injury of left lower leg, subsequent encounterCan lead a claimENone
S87.82XSCrushing injury of left lower leg, sequelaCan lead a claimENone

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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