DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

S09 Other and unspecified injuries of head

  • Header · not billable
  • Codes take a 7th character

S09 is not billable. The category heads 69 billable codes in FY2027, grouped under 6 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Index → code

Where it sits

  1. Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. S00-S09 Injuries to the head (S00-S09)
  3. S09 Other and unspecified injuries of head
Billable codes
69
Subdivisions
6
CC / MCC codes
14 / 0
HCC V28 codes
0
New FY2027
0
Index entries
60

Codes in S09

  1. S09.0
    Injury of blood vessels of head, not elsewhere classified +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
    Excludes1 2

    Excludes1

    • injury of cerebral blood vessels (S06.-) S06
    • injury of precerebral blood vessels (S15.-) S15
  2. S09.1
    Injury of muscle and tendon of head
    Header
    Excludes2 1, Code also 1

    Excludes2

    • sprain to joints and ligament of head (S03.9) S03.9

    Code also

    • any associated open wound (S01.-) S01
  3. S09.10
    Unspecified injury of muscle and tendon of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Injury of muscle and tendon of head NOS
  4. S09.11
    Strain of muscle and tendon of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  5. S09.12
    Laceration of muscle and tendon of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  6. S09.19
    Other specified injury of muscle and tendon of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  7. S09.2
    Traumatic rupture of ear drum
    Header
    Excludes1 1

    Excludes1

    • traumatic rupture of ear drum due to blast injury (S09.31-) S09.31
  8. S09.20
    Traumatic rupture of unspecified ear drum +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  9. S09.21
    Traumatic rupture of right ear drum +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  10. S09.22
    Traumatic rupture of left ear drum +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  11. S09.3
    Other specified and unspecified injury of middle and inner ear
    Header
    Excludes1 1, Excludes2 1

    Excludes1

    • injury to ear NOS (S09.91-) S09.91

    Excludes2

  12. S09.30
    Unspecified injury of middle and inner ear
    Header
  13. S09.301
    Unspecified injury of right middle and inner ear +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  14. S09.302
    Unspecified injury of left middle and inner ear +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  15. S09.309
    Unspecified injury of unspecified middle and inner ear +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  16. S09.31
    Primary blast injury of ear
    Header
    Inclusion terms 1

    Inclusion terms

    • Blast injury of ear NOS
  17. S09.311
    Primary blast injury of right ear +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  18. S09.312
    Primary blast injury of left ear +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  19. S09.313
    Primary blast injury of ear, bilateral +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  20. S09.319
    Primary blast injury of unspecified ear +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  21. S09.39
    Other specified injury of middle and inner ear
    Header
    Inclusion terms 1

    Inclusion terms

    • Secondary blast injury to ear
  22. S09.391
    Other specified injury of right middle and inner ear +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  23. S09.392
    Other specified injury of left middle and inner ear +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  24. S09.399
    Other specified injury of unspecified middle and inner ear +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  25. S09.8
    Other specified injuries of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  26. S09.9
    Unspecified injury of face and head
    Header
  27. S09.90
    Unspecified injury of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1, Excludes1 3

    Inclusion terms

    • Head injury NOS

    Excludes1

    • brain injury NOS (S06.9-) S06.9
    • head injury NOS with loss of consciousness (S06.9-) S06.9
    • intracranial injury NOS (S06.9-) S06.9
  28. S09.91
    Unspecified injury of ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Injury of ear NOS
  29. S09.92
    Unspecified injury of nose +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Injury of nose NOS
  30. S09.93
    Unspecified injury of face +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Injury of face NOS

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column. Rows marked +7th need a 7th character: pick one to build the full code; its code card has its own flags.

Instructions

Notes that also apply

Block S00-S09 instructions (Includes 12, Excludes2 9, Code also 1): printed on the block page.

Chapter 19 instructions (Notes 2, Excludes2 2, Use additional code 1): printed on the chapter 19 page.

7th characters

7th characters for S09 defined here

The appropriate 7th character is to be added to each code from category S09

7th characters for S09
7thMeaning (NCHS)
Ainitial encounter
Dsubsequent encounter
Ssequela

A code that takes a 7th character is invalid without it; the placeholder X fills a code shorter than 6 characters (Official Guidelines I.A.5). How 7th characters work.

Index entries

  • Puncturetympanum, tympanic membrane → S09.2-
  • Wound, opentympanum, tympanic membrane → S09.2-
  • Injuryeustachian tube → S09.30-
  • Injurylabyrinth, ear → S09.30-
  • Injurymiddle ear → S09.30-
  • Injurybrow → S09.90
  • Injuryforehead → S09.90
  • Injurygum → S09.90
  • Injuryhead → S09.90
  • Injurymastoid region → S09.90
  • Injuryoccipital (region) (scalp) → S09.90
  • Injuryparietal (region) (scalp) → S09.90
  • Injuryscalp → S09.90
  • Injuryskull NEC → S09.90
  • Injurytemple → S09.90
  • Injurytemporal region → S09.90
  • Injuryauditory canal (external) (meatus) → S09.91
  • Injuryauricle, auris, ear → S09.91
  • Injuryear (auricle) (external) (canal) → S09.91
  • Injurynasal (septum) (sinus) → S09.92
  • Injurynasopharynx → S09.92
  • Injurynose (septum) → S09.92
  • Injuryalveolar (process) → S09.93
  • Injurycheek (wall) → S09.93
  • Injurychin → S09.93
  • Injuryeyebrow → S09.93
  • Injuryeyelid → S09.93
  • Injuryface → S09.93
  • Injuryjaw → S09.93
  • Injurylip → S09.93
  • Injurymalar region → S09.93
  • Injurymaxilla → S09.93
  • Injurymouth → S09.93
  • Injurypalate (hard) (soft) → S09.93
  • Injurysalivary duct or gland → S09.93
  • Injurysubmaxillary region → S09.93
  • Injurysubmental region → S09.93
  • Injurysupraorbital → S09.93
  • Injurytongue → S09.93
  • Injurytonsil → S09.93

20 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy