ICD-10 · PDGM grouping
S88 Traumatic amputation of lower leg
All 54 codes in the S88 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
54
Can lead a claim
36
Cannot lead a claim
18
What CMS assigns to S88
36 of the 54 codes group to Musculoskeletal Rehabilitation; 18 are assigned no clinical group. None of the 54 is assigned a comorbidity subgroup. 36 of the 54 can lead a claim.
Every code in S88
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 |
|---|---|---|---|---|
| S88.0 Traumatic amputation at knee level | ||||
| S88.01 Complete traumatic amputation at knee level | ||||
| S88.011 Complete traumatic amputation at knee level, right lower leg | ||||
| S88.011A | Complete traumatic amputation at knee level, right lower leg, initial encounterCMS: Complete traumatic amputation at knee level, r low leg, init | Can lead a claim | E | None |
| S88.011D | Complete traumatic amputation at knee level, right lower leg, subsequent encounterCMS: Complete traumatic amputation at knee level, r low leg, subs | Can lead a claim | E | None |
| S88.011S | Complete traumatic amputation at knee level, right lower leg, sequelaCMS: Complete traumatic amp at knee level, r low leg, sequela | Can lead a claim | E | None |
| S88.012 Complete traumatic amputation at knee level, left lower leg | ||||
| S88.012A | Complete traumatic amputation at knee level, left lower leg, initial encounterCMS: Complete traumatic amputation at knee level, l low leg, init | Can lead a claim | E | None |
| S88.012D | Complete traumatic amputation at knee level, left lower leg, subsequent encounterCMS: Complete traumatic amputation at knee level, l low leg, subs | Can lead a claim | E | None |
| S88.012S | Complete traumatic amputation at knee level, left lower leg, sequelaCMS: Complete traumatic amp at knee level, l low leg, sequela | Can lead a claim | E | None |
| S88.019 Complete traumatic amputation at knee level, unspecified lower leg | ||||
| S88.019A | Complete traumatic amputation at knee level, unspecified lower leg, initial encounterCMS: Complete traumatic amp at knee level, unsp lower leg, init | 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 |
| S88.019D | Complete traumatic amputation at knee level, unspecified lower leg, subsequent encounterCMS: Complete traumatic amp at knee level, unsp lower leg, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S88.019S | Complete traumatic amputation at knee level, unspecified lower leg, sequelaCMS: Complete traumatic amp at knee level, unsp low leg, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S88.02 Partial traumatic amputation at knee level | ||||
| S88.021 Partial traumatic amputation at knee level, right lower leg | ||||
| S88.021A | Partial traumatic amputation at knee level, right lower leg, initial encounterCMS: Partial traumatic amputation at knee level, r low leg, init | Can lead a claim | E | None |
| S88.021D | Partial traumatic amputation at knee level, right lower leg, subsequent encounterCMS: Partial traumatic amputation at knee level, r low leg, subs | Can lead a claim | E | None |
| S88.021S | Partial traumatic amputation at knee level, right lower leg, sequelaCMS: Partial traumatic amp at knee level, r low leg, sequela | Can lead a claim | E | None |
| S88.022 Partial traumatic amputation at knee level, left lower leg | ||||
| S88.022A | Partial traumatic amputation at knee level, left lower leg, initial encounterCMS: Partial traumatic amputation at knee level, l low leg, init | Can lead a claim | E | None |
| S88.022D | Partial traumatic amputation at knee level, left lower leg, subsequent encounterCMS: Partial traumatic amputation at knee level, l low leg, subs | Can lead a claim | E | None |
| S88.022S | Partial traumatic amputation at knee level, left lower leg, sequelaCMS: Partial traumatic amp at knee level, l low leg, sequela | Can lead a claim | E | None |
| S88.029 Partial traumatic amputation at knee level, unspecified lower leg | ||||
| S88.029A | Partial traumatic amputation at knee level, unspecified lower leg, initial encounterCMS: Partial traumatic amp at knee level, unsp lower leg, init | 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 |
| S88.029D | Partial traumatic amputation at knee level, unspecified lower leg, subsequent encounterCMS: Partial traumatic amp at knee level, unsp lower leg, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S88.029S | Partial traumatic amputation at knee level, unspecified lower leg, sequelaCMS: Partial traumatic amp at knee level, unsp lower leg, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S88.1 Traumatic amputation at level between knee and ankle | ||||
| S88.11 Complete traumatic amputation at level between knee and ankle | ||||
| S88.111 Complete traumatic amputation at level between knee and ankle, right lower leg | ||||
| S88.111A | Complete traumatic amputation at level between knee and ankle, right lower leg, initial encounterCMS: Complete traum amp at lev betw kn and ankl, r low leg, init | Can lead a claim | E | None |
| S88.111D | Complete traumatic amputation at level between knee and ankle, right lower leg, subsequent encounterCMS: Complete traum amp at lev betw kn and ankl, r low leg, subs | Can lead a claim | E | None |
| S88.111S | Complete traumatic amputation at level between knee and ankle, right lower leg, sequelaCMS: Complete traum amp at lev betw kn and ankl, r low leg, sqla | Can lead a claim | E | None |
| S88.112 Complete traumatic amputation at level between knee and ankle, left lower leg | ||||
| S88.112A | Complete traumatic amputation at level between knee and ankle, left lower leg, initial encounterCMS: Complete traum amp at lev betw kn and ankl, l low leg, init | Can lead a claim | E | None |
| S88.112D | Complete traumatic amputation at level between knee and ankle, left lower leg, subsequent encounterCMS: Complete traum amp at lev betw kn and ankl, l low leg, subs | Can lead a claim | E | None |
| S88.112S | Complete traumatic amputation at level between knee and ankle, left lower leg, sequelaCMS: Complete traum amp at lev betw kn and ankl, l low leg, sqla | Can lead a claim | E | None |
| S88.119 Complete traumatic amputation at level between knee and ankle, unspecified lower leg | ||||
| S88.119A | Complete traumatic amputation at level between knee and ankle, unspecified lower leg, initial encounterCMS: Complete traum amp at lev betw kn & ankl, unsp low leg, init | 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 |
| S88.119D | Complete traumatic amputation at level between knee and ankle, unspecified lower leg, subsequent encounterCMS: Complete traum amp at lev betw kn & ankl, unsp low leg, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S88.119S | Complete traumatic amputation at level between knee and ankle, unspecified lower leg, sequelaCMS: Complete traum amp at lev betw kn & ankl, unsp low leg, sqla | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S88.12 Partial traumatic amputation at level between knee and ankle | ||||
| S88.121 Partial traumatic amputation at level between knee and ankle, right lower leg | ||||
| S88.121A | Partial traumatic amputation at level between knee and ankle, right lower leg, initial encounterCMS: Part traum amp at level betw knee and ankle, r low leg, init | Can lead a claim | E | None |
| S88.121D | Partial traumatic amputation at level between knee and ankle, right lower leg, subsequent encounterCMS: Part traum amp at level betw knee and ankle, r low leg, subs | Can lead a claim | E | None |
| S88.121S | Partial traumatic amputation at level between knee and ankle, right lower leg, sequelaCMS: Part traum amp at level betw knee and ankle, r low leg, sqla | Can lead a claim | E | None |
| S88.122 Partial traumatic amputation at level between knee and ankle, left lower leg | ||||
| S88.122A | Partial traumatic amputation at level between knee and ankle, left lower leg, initial encounterCMS: Part traum amp at level betw knee and ankle, l low leg, init | Can lead a claim | E | None |
| S88.122D | Partial traumatic amputation at level between knee and ankle, left lower leg, subsequent encounterCMS: Part traum amp at level betw knee and ankle, l low leg, subs | Can lead a claim | E | None |
| S88.122S | Partial traumatic amputation at level between knee and ankle, left lower leg, sequelaCMS: Part traum amp at level betw knee and ankle, l low leg, sqla | Can lead a claim | E | None |
| S88.129 Partial traumatic amputation at level between knee and ankle, unspecified lower leg | ||||
| S88.129A | Partial traumatic amputation at level between knee and ankle, unspecified lower leg, initial encounterCMS: Part traum amp at lev betw knee and ankl, unsp low leg, init | 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 |
| S88.129D | Partial traumatic amputation at level between knee and ankle, unspecified lower leg, subsequent encounterCMS: Part traum amp at lev betw knee and ankl, unsp low leg, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S88.129S | Partial traumatic amputation at level between knee and ankle, unspecified lower leg, sequelaCMS: Part traum amp at lev betw knee and ankl, unsp low leg, sqla | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S88.9 Traumatic amputation of lower leg, level unspecified | ||||
| S88.91 Complete traumatic amputation of lower leg, level unspecified | ||||
| S88.911 Complete traumatic amputation of right lower leg, level unspecified | ||||
| S88.911A | Complete traumatic amputation of right lower leg, level unspecified, initial encounterCMS: Complete traumatic amputation of r low leg, level unsp, init | Can lead a claim | E | None |
| S88.911D | Complete traumatic amputation of right lower leg, level unspecified, subsequent encounterCMS: Complete traumatic amputation of r low leg, level unsp, subs | Can lead a claim | E | None |
| S88.911S | Complete traumatic amputation of right lower leg, level unspecified, sequelaCMS: Complete traumatic amp of r low leg, level unsp, sequela | Can lead a claim | E | None |
| S88.912 Complete traumatic amputation of left lower leg, level unspecified | ||||
| S88.912A | Complete traumatic amputation of left lower leg, level unspecified, initial encounterCMS: Complete traumatic amputation of l low leg, level unsp, init | Can lead a claim | E | None |
| S88.912D | Complete traumatic amputation of left lower leg, level unspecified, subsequent encounterCMS: Complete traumatic amputation of l low leg, level unsp, subs | Can lead a claim | E | None |
| S88.912S | Complete traumatic amputation of left lower leg, level unspecified, sequelaCMS: Complete traumatic amp of l low leg, level unsp, sequela | Can lead a claim | E | None |
| S88.919 Complete traumatic amputation of unspecified lower leg, level unspecified | ||||
| S88.919A | Complete traumatic amputation of unspecified lower leg, level unspecified, initial encounterCMS: Complete traumatic amp of unsp lower leg, level unsp, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S88.919D | Complete traumatic amputation of unspecified lower leg, level unspecified, subsequent encounterCMS: Complete traumatic amp of unsp lower leg, level unsp, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S88.919S | Complete traumatic amputation of unspecified lower leg, level unspecified, sequelaCMS: Complete traumatic amp of unsp low leg, level unsp, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S88.92 Partial traumatic amputation of lower leg, level unspecified | ||||
| S88.921 Partial traumatic amputation of right lower leg, level unspecified | ||||
| S88.921A | Partial traumatic amputation of right lower leg, level unspecified, initial encounterCMS: Partial traumatic amputation of r low leg, level unsp, init | Can lead a claim | E | None |
| S88.921D | Partial traumatic amputation of right lower leg, level unspecified, subsequent encounterCMS: Partial traumatic amputation of r low leg, level unsp, subs | Can lead a claim | E | None |
| S88.921S | Partial traumatic amputation of right lower leg, level unspecified, sequelaCMS: Partial traumatic amp of r low leg, level unsp, sequela | Can lead a claim | E | None |
| S88.922 Partial traumatic amputation of left lower leg, level unspecified | ||||
| S88.922A | Partial traumatic amputation of left lower leg, level unspecified, initial encounterCMS: Partial traumatic amputation of l low leg, level unsp, init | Can lead a claim | E | None |
| S88.922D | Partial traumatic amputation of left lower leg, level unspecified, subsequent encounterCMS: Partial traumatic amputation of l low leg, level unsp, subs | Can lead a claim | E | None |
| S88.922S | Partial traumatic amputation of left lower leg, level unspecified, sequelaCMS: Partial traumatic amp of l low leg, level unsp, sequela | Can lead a claim | E | None |
| S88.929 Partial traumatic amputation of unspecified lower leg, level unspecified | ||||
| S88.929A | Partial traumatic amputation of unspecified lower leg, level unspecified, initial encounterCMS: Partial traumatic amp of unsp lower leg, level unsp, init | 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 |
| S88.929D | Partial traumatic amputation of unspecified lower leg, level unspecified, subsequent encounterCMS: Partial traumatic amp of unsp lower leg, level unsp, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S88.929S | Partial traumatic amputation of unspecified lower leg, level unspecified, sequelaCMS: Partial traumatic amp of unsp lower leg, level unsp, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | 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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