ICD-10 · PDGM grouping
S09 Other and unspecified injuries of head
All 69 codes in the S09 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
69
Can lead a claim
30
Cannot lead a claim
39
What CMS assigns to S09
30 of the 69 codes group to Wound; 39 are assigned no clinical group. None of the 69 is assigned a comorbidity subgroup. 30 of the 69 can lead a claim.
Every code in S09
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 |
|---|---|---|---|---|
| S09.0 Injury of blood vessels of head, not elsewhere classified | ||||
| S09.0XXA | Injury of blood vessels of head, not elsewhere classified, initial encounterCMS: Injury of blood vessels of head, NEC, init | Can lead a claim | C | None |
| S09.0XXD | Injury of blood vessels of head, not elsewhere classified, subsequent encounterCMS: Injury of blood vessels of head, NEC, subs | Can lead a claim | C | None |
| S09.0XXS | Injury of blood vessels of head, not elsewhere classified, sequelaCMS: Injury of blood vessels of head, NEC, sequela | Can lead a claim | C | None |
| S09.1 Injury of muscle and tendon of head | ||||
| S09.10 Unspecified injury of muscle and tendon of head | ||||
| S09.10XA | Unspecified injury of muscle and tendon of head, initial encounterCMS: Unspecified injury of muscle and tendon of head, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.10XD | Unspecified injury of muscle and tendon of head, subsequent encounterCMS: Unspecified injury of muscle and tendon of head, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.10XS | Unspecified injury of muscle and tendon of head, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.11 Strain of muscle and tendon of head | ||||
| S09.11XA | Strain of muscle and tendon of head, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.11XD | Strain of muscle and tendon of head, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.11XS | Strain of muscle and tendon of head, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.12 Laceration of muscle and tendon of head | ||||
| S09.12XA | Laceration of muscle and tendon of head, initial encounter | Can lead a claim | C | None |
| S09.12XD | Laceration of muscle and tendon of head, subsequent encounterCMS: Laceration of muscle and tendon of head, subs encntr | Can lead a claim | C | None |
| S09.12XS | Laceration of muscle and tendon of head, sequela | Can lead a claim | C | None |
| S09.19 Other specified injury of muscle and tendon of head | ||||
| S09.19XA | Other specified injury of muscle and tendon of head, initial encounterCMS: Oth injury of muscle and tendon of head, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.19XD | Other specified injury of muscle and tendon of head, subsequent encounterCMS: Oth injury of muscle and tendon of head, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.19XS | Other specified injury of muscle and tendon of head, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.2 Traumatic rupture of ear drum | ||||
| S09.20 Traumatic rupture of unspecified ear drum | ||||
| S09.20XA | Traumatic rupture of unspecified ear drum, 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 |
| S09.20XD | Traumatic rupture of unspecified ear drum, subsequent encounterCMS: Traumatic rupture of unspecified ear drum, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.20XS | Traumatic rupture of unspecified ear drum, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.21 Traumatic rupture of right ear drum | ||||
| S09.21XA | Traumatic rupture of right ear drum, initial encounter | Can lead a claim | C | None |
| S09.21XD | Traumatic rupture of right ear drum, subsequent encounter | Can lead a claim | C | None |
| S09.21XS | Traumatic rupture of right ear drum, sequela | Can lead a claim | C | None |
| S09.22 Traumatic rupture of left ear drum | ||||
| S09.22XA | Traumatic rupture of left ear drum, initial encounter | Can lead a claim | C | None |
| S09.22XD | Traumatic rupture of left ear drum, subsequent encounter | Can lead a claim | C | None |
| S09.22XS | Traumatic rupture of left ear drum, sequela | Can lead a claim | C | None |
| S09.3 Other specified and unspecified injury of middle and inner ear | ||||
| S09.30 Unspecified injury of middle and inner ear | ||||
| S09.301 Unspecified injury of right middle and inner ear | ||||
| S09.301A | Unspecified injury of right middle and inner ear, initial encounterCMS: Unsp injury of right middle and inner ear, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.301D | Unspecified injury of right middle and inner ear, subsequent encounterCMS: Unsp injury of right middle and inner ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.301S | Unspecified injury of right middle and inner ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.302 Unspecified injury of left middle and inner ear | ||||
| S09.302A | Unspecified injury of left middle and inner ear, initial encounterCMS: Unspecified injury of left middle and inner ear, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.302D | Unspecified injury of left middle and inner ear, subsequent encounterCMS: Unspecified injury of left middle and inner ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.302S | Unspecified injury of left middle and inner ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.309 Unspecified injury of unspecified middle and inner ear | ||||
| S09.309A | Unspecified injury of unspecified middle and inner ear, initial encounterCMS: Unsp injury of unspecified middle and inner ear, init encntr | 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 |
| S09.309D | Unspecified injury of unspecified middle and inner ear, subsequent encounterCMS: Unsp injury of unspecified middle and inner ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.309S | Unspecified injury of unspecified middle and inner ear, sequelaCMS: Unsp injury of unspecified middle and inner ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.31 Primary blast injury of ear | ||||
| S09.311 Primary blast injury of right ear | ||||
| S09.311A | Primary blast injury of right ear, initial encounter | Can lead a claim | C | None |
| S09.311D | Primary blast injury of right ear, subsequent encounter | Can lead a claim | C | None |
| S09.311S | Primary blast injury of right ear, sequela | Can lead a claim | C | None |
| S09.312 Primary blast injury of left ear | ||||
| S09.312A | Primary blast injury of left ear, initial encounter | Can lead a claim | C | None |
| S09.312D | Primary blast injury of left ear, subsequent encounter | Can lead a claim | C | None |
| S09.312S | Primary blast injury of left ear, sequela | Can lead a claim | C | None |
| S09.313 Primary blast injury of ear, bilateral | ||||
| S09.313A | Primary blast injury of ear, bilateral, initial encounter | Can lead a claim | C | None |
| S09.313D | Primary blast injury of ear, bilateral, subsequent encounter | Can lead a claim | C | None |
| S09.313S | Primary blast injury of ear, bilateral, sequela | Can lead a claim | C | None |
| S09.319 Primary blast injury of unspecified ear | ||||
| S09.319A | Primary blast injury of unspecified ear, 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 |
| S09.319D | Primary blast injury of unspecified ear, subsequent encounterCMS: Primary blast injury of unspecified ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.319S | Primary blast injury of unspecified ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.39 Other specified injury of middle and inner ear | ||||
| S09.391 Other specified injury of right middle and inner ear | ||||
| S09.391A | Other specified injury of right middle and inner ear, initial encounterCMS: Oth injury of right middle and inner ear, init encntr | Can lead a claim | C | None |
| S09.391D | Other specified injury of right middle and inner ear, subsequent encounterCMS: Oth injury of right middle and inner ear, subs encntr | Can lead a claim | C | None |
| S09.391S | Other specified injury of right middle and inner ear, sequelaCMS: Oth injury of right middle and inner ear, sequela | Can lead a claim | C | None |
| S09.392 Other specified injury of left middle and inner ear | ||||
| S09.392A | Other specified injury of left middle and inner ear, initial encounterCMS: Oth injury of left middle and inner ear, init encntr | Can lead a claim | C | None |
| S09.392D | Other specified injury of left middle and inner ear, subsequent encounterCMS: Oth injury of left middle and inner ear, subs encntr | Can lead a claim | C | None |
| S09.392S | Other specified injury of left middle and inner ear, sequela | Can lead a claim | C | None |
| S09.399 Other specified injury of unspecified middle and inner ear | ||||
| S09.399A | Other specified injury of unspecified middle and inner ear, initial encounterCMS: Oth injury of unspecified middle and inner ear, init encntr | 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 |
| S09.399D | Other specified injury of unspecified middle and inner ear, subsequent encounterCMS: Oth injury of unspecified middle and inner ear, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.399S | Other specified injury of unspecified middle and inner ear, sequelaCMS: Oth injury of unspecified middle and inner ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.8 Other specified injuries of head | ||||
| S09.8XXA | Other specified injuries of head, initial encounter | Can lead a claim | C | None |
| S09.8XXD | Other specified injuries of head, subsequent encounter | Can lead a claim | C | None |
| S09.8XXS | Other specified injuries of head, sequela | Can lead a claim | C | None |
| S09.9 Unspecified injury of face and head | ||||
| S09.90 Unspecified injury of head | ||||
| S09.90XA | Unspecified injury of head, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.90XD | Unspecified injury of head, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.90XS | Unspecified injury of head, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.91 Unspecified injury of ear | ||||
| S09.91XA | Unspecified injury of ear, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.91XD | Unspecified injury of ear, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.91XS | Unspecified injury of ear, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.92 Unspecified injury of nose | ||||
| S09.92XA | Unspecified injury of nose, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.92XD | Unspecified injury of nose, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.92XS | Unspecified injury of nose, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.93 Unspecified injury of face | ||||
| S09.93XA | Unspecified injury of face, initial encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.93XD | Unspecified injury of face, subsequent encounter | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S09.93XS | Unspecified injury of face, 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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