ICD-10 · PDGM grouping
S77 Crushing injury of hip and thigh
All 27 codes in the S77 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
27
Can lead a claim
18
Cannot lead a claim
9
What CMS assigns to S77
18 of the 27 codes group to Musculoskeletal Rehabilitation; 9 are assigned no clinical group. None of the 27 is assigned a comorbidity subgroup. 18 of the 27 can lead a claim.
Every code in S77
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 |
|---|---|---|---|---|
| S77.0 Crushing injury of hip | ||||
| S77.00 Crushing injury of unspecified hip | ||||
| S77.00XA | Crushing injury of unspecified hip, initial encounter | Cannot lead a claimUnspecified diagnosis code not acceptable as principal diagnosis since there is a more specific code available that would further accurately identify the condition | None | None |
| S77.00XD | Crushing injury of unspecified hip, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S77.00XS | Crushing injury of unspecified hip, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S77.01 Crushing injury of right hip | ||||
| S77.01XA | Crushing injury of right hip, initial encounter | Can lead a claim | E | None |
| S77.01XD | Crushing injury of right hip, subsequent encounter | Can lead a claim | E | None |
| S77.01XS | Crushing injury of right hip, sequela | Can lead a claim | E | None |
| S77.02 Crushing injury of left hip | ||||
| S77.02XA | Crushing injury of left hip, initial encounter | Can lead a claim | E | None |
| S77.02XD | Crushing injury of left hip, subsequent encounter | Can lead a claim | E | None |
| S77.02XS | Crushing injury of left hip, sequela | Can lead a claim | E | None |
| S77.1 Crushing injury of thigh | ||||
| S77.10 Crushing injury of unspecified thigh | ||||
| S77.10XA | Crushing injury of unspecified thigh, initial encounter | Cannot lead a claimUnspecified diagnosis code not acceptable as principal diagnosis since there is a more specific code available that would further accurately identify the condition | None | None |
| S77.10XD | Crushing injury of unspecified thigh, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S77.10XS | Crushing injury of unspecified thigh, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S77.11 Crushing injury of right thigh | ||||
| S77.11XA | Crushing injury of right thigh, initial encounter | Can lead a claim | E | None |
| S77.11XD | Crushing injury of right thigh, subsequent encounter | Can lead a claim | E | None |
| S77.11XS | Crushing injury of right thigh, sequela | Can lead a claim | E | None |
| S77.12 Crushing injury of left thigh | ||||
| S77.12XA | Crushing injury of left thigh, initial encounter | Can lead a claim | E | None |
| S77.12XD | Crushing injury of left thigh, subsequent encounter | Can lead a claim | E | None |
| S77.12XS | Crushing injury of left thigh, sequela | Can lead a claim | E | None |
| S77.2 Crushing injury of hip with thigh | ||||
| S77.20 Crushing injury of unspecified hip with thigh | ||||
| S77.20XA | Crushing injury of unspecified hip with thigh, initial encounterCMS: Crushing injury of unspecified hip with thigh, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S77.20XD | Crushing injury of unspecified hip with thigh, subsequent encounterCMS: Crushing injury of unspecified hip with thigh, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S77.20XS | Crushing injury of unspecified hip with thigh, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S77.21 Crushing injury of right hip with thigh | ||||
| S77.21XA | Crushing injury of right hip with thigh, initial encounter | Can lead a claim | E | None |
| S77.21XD | Crushing injury of right hip with thigh, subsequent encounterCMS: Crushing injury of right hip with thigh, subs encntr | Can lead a claim | E | None |
| S77.21XS | Crushing injury of right hip with thigh, sequela | Can lead a claim | E | None |
| S77.22 Crushing injury of left hip with thigh | ||||
| S77.22XA | Crushing injury of left hip with thigh, initial encounter | Can lead a claim | E | None |
| S77.22XD | Crushing injury of left hip with thigh, subsequent encounter | Can lead a claim | E | None |
| S77.22XS | Crushing injury of left hip with thigh, sequela | Can lead a claim | E | 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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