ICD-10 · PDGM grouping
S16 Injury of muscle, fascia and tendon at neck level
All 12 codes in the S16 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
12
Can lead a claim
6
Cannot lead a claim
6
What CMS assigns to S16
6 of the 12 codes group to Wound (3) and Musculoskeletal Rehabilitation (3); 6 are assigned no clinical group. None of the 12 is assigned a comorbidity subgroup. 6 of the 12 can lead a claim.
Every code in S16
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 |
|---|---|---|---|---|
| S16.1 Strain of muscle, fascia and tendon at neck level | ||||
| S16.1XXA | Strain of muscle, fascia and tendon at neck level, initial encounterCMS: Strain of muscle, fascia and tendon at neck level, init | Can lead a claim | E | None |
| S16.1XXD | Strain of muscle, fascia and tendon at neck level, subsequent encounterCMS: Strain of muscle, fascia and tendon at neck level, subs | Can lead a claim | E | None |
| S16.1XXS | Strain of muscle, fascia and tendon at neck level, sequela | Can lead a claim | E | None |
| S16.2 Laceration of muscle, fascia and tendon at neck level | ||||
| S16.2XXA | Laceration of muscle, fascia and tendon at neck level, initial encounterCMS: Laceration of muscle, fascia and tendon at neck level, init | Can lead a claim | C | None |
| S16.2XXD | Laceration of muscle, fascia and tendon at neck level, subsequent encounterCMS: Laceration of muscle, fascia and tendon at neck level, subs | Can lead a claim | C | None |
| S16.2XXS | Laceration of muscle, fascia and tendon at neck level, sequelaCMS: Laceration of musc/fasc/tend at neck level, sequela | Can lead a claim | C | None |
| S16.8 Other specified injury of muscle, fascia and tendon at neck level | ||||
| S16.8XXA | Other specified injury of muscle, fascia and tendon at neck level, initial encounterCMS: Inj muscle, fascia and tendon at neck level, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S16.8XXD | Other specified injury of muscle, fascia and tendon at neck level, subsequent encounterCMS: Inj muscle, fascia and tendon at neck level, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S16.8XXS | Other specified injury of muscle, fascia and tendon at neck level, sequelaCMS: Inj muscle, fascia and tendon at neck level, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S16.9 Unspecified injury of muscle, fascia and tendon at neck level | ||||
| S16.9XXA | Unspecified injury of muscle, fascia and tendon at neck level, initial encounterCMS: Unsp injury of muscle, fascia and tendon at neck level, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S16.9XXD | Unspecified injury of muscle, fascia and tendon at neck level, subsequent encounterCMS: Unsp injury of muscle, fascia and tendon at neck level, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S16.9XXS | Unspecified injury of muscle, fascia and tendon at neck level, sequelaCMS: Unsp injury of musc/fasc/tend at neck level, 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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