DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

S24 Injury of nerves and spinal cord at thorax level

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

S24 is not billable. The category heads 93 billable codes in FY2027, grouped under 7 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Index → code

  • Injurynerve NECthorax → S24.9
  • Injuryspinal (cord)thoracic → S24.109
  • Concussion (brain) (cerebral) (current)spinal (cord)thoracic → S24.0

Where it sits

  1. Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. S20-S29 Injuries to the thorax (S20-S29)
  3. S24 Injury of nerves and spinal cord at thorax level
Billable codes
93
Subdivisions
7
CC / MCC codes
0 / 21
HCC V28 codes
57
New FY2027
0
Index entries
38

Codes in S24

  1. S24.0
    Concussion and edema of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  2. S24.1
    Other and unspecified injuries of thoracic spinal cord
    Header
  3. S24.10
    Unspecified injury of thoracic spinal cord
    Header
  4. S24.101
    Unspecified injury at T1 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  5. S24.102
    Unspecified injury at T2-T6 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  6. S24.103
    Unspecified injury at T7-T10 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  7. S24.104
    Unspecified injury at T11-T12 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  8. S24.109
    Unspecified injury at unspecified level of thoracic spinal cord +7th: A D S
    Needs 7th character182 (some 7th characters)Exempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Injury of thoracic spinal cord NOS
  9. S24.11
    Complete lesion of thoracic spinal cord
    Header
  10. S24.111
    Complete lesion at T1 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A181 (all 7th characters)Exempt: 2 of 3 7th characters
  11. S24.112
    Complete lesion at T2-T6 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A181 (all 7th characters)Exempt: 2 of 3 7th characters
  12. S24.113
    Complete lesion at T7-T10 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A181 (all 7th characters)Exempt: 2 of 3 7th characters
  13. S24.114
    Complete lesion at T11-T12 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A181 (all 7th characters)Exempt: 2 of 3 7th characters
  14. S24.119
    Complete lesion at unspecified level of thoracic spinal cord +7th: A D S
    Needs 7th character181 (all 7th characters)Exempt: 2 of 3 7th characters
  15. S24.13
    Anterior cord syndrome of thoracic spinal cord
    Header
  16. S24.131
    Anterior cord syndrome at T1 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  17. S24.132
    Anterior cord syndrome at T2-T6 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  18. S24.133
    Anterior cord syndrome at T7-T10 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  19. S24.134
    Anterior cord syndrome at T11-T12 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  20. S24.139
    Anterior cord syndrome at unspecified level of thoracic spinal cord +7th: A D S
    Needs 7th character182 (some 7th characters)Exempt: 2 of 3 7th characters
  21. S24.14
    Brown-Séquard syndrome of thoracic spinal cord
    Header
  22. S24.141
    Brown-Séquard syndrome at T1 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  23. S24.142
    Brown-Séquard syndrome at T2-T6 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  24. S24.143
    Brown-Séquard syndrome at T7-T10 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  25. S24.144
    Brown-Séquard syndrome at T11-T12 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  26. S24.149
    Brown-Séquard syndrome at unspecified level of thoracic spinal cord +7th: A D S
    Needs 7th character182 (some 7th characters)Exempt: 2 of 3 7th characters
  27. S24.15
    Other incomplete lesions of thoracic spinal cord
    Header
    Inclusion terms 2

    Inclusion terms

    • Incomplete lesion of thoracic spinal cord NOS
    • Posterior cord syndrome of thoracic spinal cord
  28. S24.151
    Other incomplete lesion at T1 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  29. S24.152
    Other incomplete lesion at T2-T6 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  30. S24.153
    Other incomplete lesion at T7-T10 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  31. S24.154
    Other incomplete lesion at T11-T12 level of thoracic spinal cord +7th: A D S
    Needs 7th characterMCC A182 (some 7th characters)Exempt: 2 of 3 7th characters
  32. S24.159
    Other incomplete lesion at unspecified level of thoracic spinal cord +7th: A D S
    Needs 7th character182 (some 7th characters)Exempt: 2 of 3 7th characters
  33. S24.2
    Injury of nerve root of thoracic spine +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  34. S24.3
    Injury of peripheral nerves of thorax +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  35. S24.4
    Injury of thoracic sympathetic nervous system +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 5

    Inclusion terms

    • Injury of cardiac plexus
    • Injury of esophageal plexus
    • Injury of pulmonary plexus
    • Injury of stellate ganglion
    • Injury of thoracic sympathetic ganglion
  36. S24.8
    Injury of other specified nerves of thorax +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  37. S24.9
    Injury of unspecified nerve of thorax +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters

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

At S24

Notes

  • Code to highest level of thoracic spinal cord injury
  • Injuries to the spinal cord (S24.0 and S24.1) refer to the cord level and not bone level injury, and can affect nerve roots at and below the level given. S24.0 S24.1

Excludes2

  • injury of brachial plexus (S14.3) S14.3

Code also

  • any associated:
  • fracture of thoracic vertebra (S22.0-) S22.0
  • open wound of thorax (S21.-) S21
  • transient paralysis (R29.5) R29.5

Notes that also apply

Block S20-S29 instructions (Includes 3, Excludes2 11): 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 S24 defined here

The appropriate 7th character is to be added to each code from category S24

7th characters for S24
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

  • Concussion (brain) (cerebral) (current)spinal (cord)thoracic → S24.0
  • Injuryspinal (cord)thoracic → S24.109
  • Injurynerve NECthorax → S24.9
  • Injuryspinal (cord)thoracicconcussion → S24.0
  • Injuryspinal (cord)thoracicedema → S24.0
  • Injuryspinal (cord)thoracicT1 level → S24.101
  • Injuryspinal (cord)thoracicT2-T6 level → S24.102
  • Injuryspinal (cord)thoracicT7-T10 level → S24.103
  • Injuryspinal (cord)thoracicT11-T12 level → S24.104
  • Injuryspinal (cord)thoraciccomplete lesion → S24.119
  • Injuryspinal (cord)thoracicanterior cord syndrome → S24.139
  • Injuryspinal (cord)thoracicBrown-Séquard syndrome → S24.149
  • Injuryspinal (cord)thoracicincomplete lesion specified NEC → S24.159
  • Injuryspinal (cord)thoracicposterior cord syndrome → S24.159
  • Injurynerve NECthoraxperipheral → S24.3
  • Injurynerve NECthoraxsympathetic → S24.4
  • Injurynerve NECthoraxspecified site NEC → S24.8
  • Injuryspinal (cord)thoraciccomplete lesionT1 level → S24.111
  • Injuryspinal (cord)thoraciccomplete lesionT2-T6 level → S24.112
  • Injuryspinal (cord)thoraciccomplete lesionT7-T10 level → S24.113
  • Injuryspinal (cord)thoraciccomplete lesionT11-T12 level → S24.114
  • Injuryspinal (cord)thoracicanterior cord syndromeT1 level → S24.131
  • Injuryspinal (cord)thoracicanterior cord syndromeT2-T6 level → S24.132
  • Injuryspinal (cord)thoracicanterior cord syndromeT7-T10 level → S24.133
  • Injuryspinal (cord)thoracicanterior cord syndromeT11-T12 level → S24.134
  • Injuryspinal (cord)thoracicBrown-Séquard syndromeT1 level → S24.141
  • Injuryspinal (cord)thoracicBrown-Séquard syndromeT2-T6 level → S24.142
  • Injuryspinal (cord)thoracicBrown-Séquard syndromeT7-T10 level → S24.143
  • Injuryspinal (cord)thoracicBrown-Séquard syndromeT11-T12 level → S24.144
  • Injuryspinal (cord)thoracicincomplete lesion specified NECT1 level → S24.151
  • Injuryspinal (cord)thoracicposterior cord syndromeT1 level → S24.151
  • Injuryspinal (cord)thoracicincomplete lesion specified NECT2-T6 level → S24.152
  • Injuryspinal (cord)thoracicposterior cord syndromeT2-T6 level → S24.152
  • Injuryspinal (cord)thoracicincomplete lesion specified NECT7-T10 level → S24.153
  • Injuryspinal (cord)thoracicposterior cord syndromeT7-T10 level → S24.153
  • Injuryspinal (cord)thoracicincomplete lesion specified NECT11-T12 level → S24.154
  • Injuryspinal (cord)thoracicposterior cord syndromeT11-T12 level → S24.154
  • Injurynerve NECspinalrootdorsal → S24.2

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

Hierarchy