ICD-10 · PDGM grouping
S29 Other and unspecified injuries of thorax
All 42 codes in the S29 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
42
Can lead a claim
24
Cannot lead a claim
18
What CMS assigns to S29
24 of the 42 codes group to Musculoskeletal Rehabilitation (15), Wound (6) and MMTA - Other (3); 18 are assigned no clinical group. None of the 42 is assigned a comorbidity subgroup. 24 of the 42 can lead a claim.
Every code in S29
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 |
|---|---|---|---|---|
| S29.0 Injury of muscle and tendon at thorax level | ||||
| S29.00 Unspecified injury of muscle and tendon of thorax | ||||
| S29.001 Unspecified injury of muscle and tendon of front wall of thorax | ||||
| S29.001A | Unspecified injury of muscle and tendon of front wall of thorax, initial encounterCMS: Unsp injury of msl/tnd of front wall of thorax, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.001D | Unspecified injury of muscle and tendon of front wall of thorax, subsequent encounterCMS: Unsp injury of msl/tnd of front wall of thorax, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.001S | Unspecified injury of muscle and tendon of front wall of thorax, sequelaCMS: Unsp injury of msl/tnd of front wall of thorax, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.002 Unspecified injury of muscle and tendon of back wall of thorax | ||||
| S29.002A | Unspecified injury of muscle and tendon of back wall of thorax, initial encounterCMS: Unsp injury of msl/tnd of back wall of thorax, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.002D | Unspecified injury of muscle and tendon of back wall of thorax, subsequent encounterCMS: Unsp injury of msl/tnd of back wall of thorax, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.002S | Unspecified injury of muscle and tendon of back wall of thorax, sequelaCMS: Unsp injury of msl/tnd of back wall of thorax, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.009 Unspecified injury of muscle and tendon of unspecified wall of thorax | ||||
| S29.009A | Unspecified injury of muscle and tendon of unspecified wall of thorax, initial encounterCMS: Unsp injury of msl/tnd of unsp wall of thorax, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.009D | Unspecified injury of muscle and tendon of unspecified wall of thorax, subsequent encounterCMS: Unsp injury of msl/tnd of unsp wall of thorax, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.009S | Unspecified injury of muscle and tendon of unspecified wall of thorax, sequelaCMS: Unsp injury of msl/tnd of unsp wall of thorax, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.01 Strain of muscle and tendon of thorax | ||||
| S29.011 Strain of muscle and tendon of front wall of thorax | ||||
| S29.011A | Strain of muscle and tendon of front wall of thorax, initial encounterCMS: Strain of muscle and tendon of front wall of thorax, init | Can lead a claim | E | None |
| S29.011D | Strain of muscle and tendon of front wall of thorax, subsequent encounterCMS: Strain of muscle and tendon of front wall of thorax, subs | Can lead a claim | E | None |
| S29.011S | Strain of muscle and tendon of front wall of thorax, sequela | Can lead a claim | E | None |
| S29.012 Strain of muscle and tendon of back wall of thorax | ||||
| S29.012A | Strain of muscle and tendon of back wall of thorax, initial encounterCMS: Strain of muscle and tendon of back wall of thorax, init | Can lead a claim | E | None |
| S29.012D | Strain of muscle and tendon of back wall of thorax, subsequent encounterCMS: Strain of muscle and tendon of back wall of thorax, subs | Can lead a claim | E | None |
| S29.012S | Strain of muscle and tendon of back wall of thorax, sequela | Can lead a claim | E | None |
| S29.019 Strain of muscle and tendon of unspecified wall of thorax | ||||
| S29.019A | Strain of muscle and tendon of unspecified wall of thorax, initial encounterCMS: Strain of muscle and tendon of unsp wall of thorax, init | Can lead a claim | E | None |
| S29.019D | Strain of muscle and tendon of unspecified wall of thorax, subsequent encounterCMS: Strain of muscle and tendon of unsp wall of thorax, subs | Can lead a claim | E | None |
| S29.019S | Strain of muscle and tendon of unspecified wall of thorax, sequelaCMS: Strain of muscle and tendon of unsp wall of thorax, sequela | Can lead a claim | E | None |
| S29.02 Laceration of muscle and tendon of thorax | ||||
| S29.021 Laceration of muscle and tendon of front wall of thorax | ||||
| S29.021A | Laceration of muscle and tendon of front wall of thorax, initial encounterCMS: Laceration of msl/tnd of front wall of thorax, init | Can lead a claim | C | None |
| S29.021D | Laceration of muscle and tendon of front wall of thorax, subsequent encounterCMS: Laceration of msl/tnd of front wall of thorax, subs | Can lead a claim | C | None |
| S29.021S | Laceration of muscle and tendon of front wall of thorax, sequelaCMS: Laceration of msl/tnd of front wall of thorax, sequela | Can lead a claim | C | None |
| S29.022 Laceration of muscle and tendon of back wall of thorax | ||||
| S29.022A | Laceration of muscle and tendon of back wall of thorax, initial encounterCMS: Laceration of muscle and tendon of back wall of thorax, init | Can lead a claim | C | None |
| S29.022D | Laceration of muscle and tendon of back wall of thorax, subsequent encounterCMS: Laceration of muscle and tendon of back wall of thorax, subs | Can lead a claim | C | None |
| S29.022S | Laceration of muscle and tendon of back wall of thorax, sequelaCMS: Laceration of msl/tnd of back wall of thorax, sequela | Can lead a claim | C | None |
| S29.029 Laceration of muscle and tendon of unspecified wall of thorax | ||||
| S29.029A | Laceration of muscle and tendon of unspecified wall of thorax, initial encounterCMS: Laceration of muscle and tendon of unsp wall of thorax, 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 |
| S29.029D | Laceration of muscle and tendon of unspecified wall of thorax, subsequent encounterCMS: Laceration of muscle and tendon of unsp wall of thorax, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.029S | Laceration of muscle and tendon of unspecified wall of thorax, sequelaCMS: Laceration of msl/tnd of unsp wall of thorax, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.09 Other injury of muscle and tendon of thorax | ||||
| S29.091 Other injury of muscle and tendon of front wall of thorax | ||||
| S29.091A | Other injury of muscle and tendon of front wall of thorax, initial encounterCMS: Inj muscle and tendon of front wall of thorax, init encntr | Can lead a claim | E | None |
| S29.091D | Other injury of muscle and tendon of front wall of thorax, subsequent encounterCMS: Inj muscle and tendon of front wall of thorax, subs encntr | Can lead a claim | E | None |
| S29.091S | Other injury of muscle and tendon of front wall of thorax, sequelaCMS: Inj muscle and tendon of front wall of thorax, sequela | Can lead a claim | E | None |
| S29.092 Other injury of muscle and tendon of back wall of thorax | ||||
| S29.092A | Other injury of muscle and tendon of back wall of thorax, initial encounterCMS: Inj muscle and tendon of back wall of thorax, init encntr | Can lead a claim | E | None |
| S29.092D | Other injury of muscle and tendon of back wall of thorax, subsequent encounterCMS: Inj muscle and tendon of back wall of thorax, subs encntr | Can lead a claim | E | None |
| S29.092S | Other injury of muscle and tendon of back wall of thorax, sequelaCMS: Inj muscle and tendon of back wall of thorax, sequela | Can lead a claim | E | None |
| S29.099 Other injury of muscle and tendon of unspecified wall of thorax | ||||
| S29.099A | Other injury of muscle and tendon of unspecified wall of thorax, initial encounterCMS: Inj muscle and tendon of unsp wall of thorax, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.099D | Other injury of muscle and tendon of unspecified wall of thorax, subsequent encounterCMS: Inj muscle and tendon of unsp wall of thorax, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.099S | Other injury of muscle and tendon of unspecified wall of thorax, sequelaCMS: Inj muscle and tendon of unsp wall of thorax, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.8 Other specified injuries of thorax | ||||
| S29.8XXA | Other specified injuries of thorax, initial encounter | Can lead a claim | A | None |
| S29.8XXD | Other specified injuries of thorax, subsequent encounter | Can lead a claim | A | None |
| S29.8XXS | Other specified injuries of thorax, sequela | Can lead a claim | A | None |
| S29.9 Unspecified injury of thorax | ||||
| S29.9XXA | Unspecified injury of thorax, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.9XXD | Unspecified injury of thorax, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S29.9XXS | Unspecified injury of thorax, 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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