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

S57 Crushing injury of elbow and forearm

All 18 codes in the S57 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 S57

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 S57

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
S57.0 Crushing injury of elbow
S57.00 Crushing injury of unspecified elbow
S57.00XACrushing injury of unspecified elbow, initial encounterCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S57.00XDCrushing injury of unspecified elbow, subsequent encounterCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S57.00XSCrushing injury of unspecified elbow, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S57.01 Crushing injury of right elbow
S57.01XACrushing injury of right elbow, initial encounterCan lead a claimENone
S57.01XDCrushing injury of right elbow, subsequent encounterCan lead a claimENone
S57.01XSCrushing injury of right elbow, sequelaCan lead a claimENone
S57.02 Crushing injury of left elbow
S57.02XACrushing injury of left elbow, initial encounterCan lead a claimENone
S57.02XDCrushing injury of left elbow, subsequent encounterCan lead a claimENone
S57.02XSCrushing injury of left elbow, sequelaCan lead a claimENone
S57.8 Crushing injury of forearm
S57.80 Crushing injury of unspecified forearm
S57.80XACrushing injury of unspecified forearm, initial encounterCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S57.80XDCrushing injury of unspecified forearm, subsequent encounterCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S57.80XSCrushing injury of unspecified forearm, sequelaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
S57.81 Crushing injury of right forearm
S57.81XACrushing injury of right forearm, initial encounterCan lead a claimENone
S57.81XDCrushing injury of right forearm, subsequent encounterCan lead a claimENone
S57.81XSCrushing injury of right forearm, sequelaCan lead a claimENone
S57.82 Crushing injury of left forearm
S57.82XACrushing injury of left forearm, initial encounterCan lead a claimENone
S57.82XDCrushing injury of left forearm, subsequent encounterCan lead a claimENone
S57.82XSCrushing injury of left forearm, 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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