DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

S25 Injury of blood vessels of thorax

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

S25 is not billable. The category heads 195 billable codes in FY2027, grouped under 8 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Index → code

  • Injuryaorta (thoracic) → S25.00
  • Injuryvena cava (superior) → S25.20
  • Injuryblood vessel NECthoracic → S25.90

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. S25 Injury of blood vessels of thorax
Billable codes
195
Subdivisions
8
CC / MCC codes
21 / 44
HCC V28 codes
0
New FY2027
0
Index entries
37

Codes in S25

  1. S25.0
    Injury of thoracic aorta
    Header
    Inclusion terms 1

    Inclusion terms

    • Injury of aorta NOS
  2. S25.00
    Unspecified injury of thoracic aorta +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  3. S25.01
    Minor laceration of thoracic aorta +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
    Inclusion terms 3

    Inclusion terms

    • Incomplete transection of thoracic aorta
    • Laceration of thoracic aorta NOS
    • Superficial laceration of thoracic aorta
  4. S25.02
    Major laceration of thoracic aorta +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
    Inclusion terms 2

    Inclusion terms

    • Complete transection of thoracic aorta
    • Traumatic rupture of thoracic aorta
  5. S25.09
    Other specified injury of thoracic aorta +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  6. S25.1
    Injury of innominate or subclavian artery
    Header
  7. S25.10
    Unspecified injury of innominate or subclavian artery
    Header
  8. S25.101
    Unspecified injury of right innominate or subclavian artery +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  9. S25.102
    Unspecified injury of left innominate or subclavian artery +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  10. S25.109
    Unspecified injury of unspecified innominate or subclavian artery +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  11. S25.11
    Minor laceration of innominate or subclavian artery
    Header
    Inclusion terms 3

    Inclusion terms

    • Incomplete transection of innominate or subclavian artery
    • Laceration of innominate or subclavian artery NOS
    • Superficial laceration of innominate or subclavian artery
  12. S25.111
    Minor laceration of right innominate or subclavian artery +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  13. S25.112
    Minor laceration of left innominate or subclavian artery +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  14. S25.119
    Minor laceration of unspecified innominate or subclavian artery +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  15. S25.12
    Major laceration of innominate or subclavian artery
    Header
    Inclusion terms 2

    Inclusion terms

    • Complete transection of innominate or subclavian artery
    • Traumatic rupture of innominate or subclavian artery
  16. S25.121
    Major laceration of right innominate or subclavian artery +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  17. S25.122
    Major laceration of left innominate or subclavian artery +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  18. S25.129
    Major laceration of unspecified innominate or subclavian artery +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  19. S25.19
    Other specified injury of innominate or subclavian artery
    Header
  20. S25.191
    Other specified injury of right innominate or subclavian artery +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  21. S25.192
    Other specified injury of left innominate or subclavian artery +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  22. S25.199
    Other specified injury of unspecified innominate or subclavian artery +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  23. S25.2
    Injury of superior vena cava
    Header
    Inclusion terms 1

    Inclusion terms

    • Injury of vena cava NOS
  24. S25.20
    Unspecified injury of superior vena cava +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  25. S25.21
    Minor laceration of superior vena cava +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
    Inclusion terms 3

    Inclusion terms

    • Incomplete transection of superior vena cava
    • Laceration of superior vena cava NOS
    • Superficial laceration of superior vena cava
  26. S25.22
    Major laceration of superior vena cava +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
    Inclusion terms 2

    Inclusion terms

    • Complete transection of superior vena cava
    • Traumatic rupture of superior vena cava
  27. S25.29
    Other specified injury of superior vena cava +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  28. S25.3
    Injury of innominate or subclavian vein
    Header
  29. S25.30
    Unspecified injury of innominate or subclavian vein
    Header
  30. S25.301
    Unspecified injury of right innominate or subclavian vein +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  31. S25.302
    Unspecified injury of left innominate or subclavian vein +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  32. S25.309
    Unspecified injury of unspecified innominate or subclavian vein +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  33. S25.31
    Minor laceration of innominate or subclavian vein
    Header
    Inclusion terms 3

    Inclusion terms

    • Incomplete transection of innominate or subclavian vein
    • Laceration of innominate or subclavian vein NOS
    • Superficial laceration of innominate or subclavian vein
  34. S25.311
    Minor laceration of right innominate or subclavian vein +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  35. S25.312
    Minor laceration of left innominate or subclavian vein +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  36. S25.319
    Minor laceration of unspecified innominate or subclavian vein +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  37. S25.32
    Major laceration of innominate or subclavian vein
    Header
    Inclusion terms 2

    Inclusion terms

    • Complete transection of innominate or subclavian vein
    • Traumatic rupture of innominate or subclavian vein
  38. S25.321
    Major laceration of right innominate or subclavian vein +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  39. S25.322
    Major laceration of left innominate or subclavian vein +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  40. S25.329
    Major laceration of unspecified innominate or subclavian vein +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  41. S25.39
    Other specified injury of innominate or subclavian vein
    Header
  42. S25.391
    Other specified injury of right innominate or subclavian vein +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  43. S25.392
    Other specified injury of left innominate or subclavian vein +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  44. S25.399
    Other specified injury of unspecified innominate or subclavian vein +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  45. S25.4
    Injury of pulmonary blood vessels
    Header
  46. S25.40
    Unspecified injury of pulmonary blood vessels
    Header
  47. S25.401
    Unspecified injury of right pulmonary blood vessels +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  48. S25.402
    Unspecified injury of left pulmonary blood vessels +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  49. S25.409
    Unspecified injury of unspecified pulmonary blood vessels +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  50. S25.41
    Minor laceration of pulmonary blood vessels
    Header
    Inclusion terms 3

    Inclusion terms

    • Incomplete transection of pulmonary blood vessels
    • Laceration of pulmonary blood vessels NOS
    • Superficial laceration of pulmonary blood vessels
  51. S25.411
    Minor laceration of right pulmonary blood vessels +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  52. S25.412
    Minor laceration of left pulmonary blood vessels +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  53. S25.419
    Minor laceration of unspecified pulmonary blood vessels +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  54. S25.42
    Major laceration of pulmonary blood vessels
    Header
    Inclusion terms 2

    Inclusion terms

    • Complete transection of pulmonary blood vessels
    • Traumatic rupture of pulmonary blood vessels
  55. S25.421
    Major laceration of right pulmonary blood vessels +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  56. S25.422
    Major laceration of left pulmonary blood vessels +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  57. S25.429
    Major laceration of unspecified pulmonary blood vessels +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  58. S25.49
    Other specified injury of pulmonary blood vessels
    Header
  59. S25.491
    Other specified injury of right pulmonary blood vessels +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  60. S25.492
    Other specified injury of left pulmonary blood vessels +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  61. S25.499
    Other specified injury of unspecified pulmonary blood vessels +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  62. S25.5
    Injury of intercostal blood vessels
    Header
  63. S25.50
    Unspecified injury of intercostal blood vessels
    Header
  64. S25.501
    Unspecified injury of intercostal blood vessels, right side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  65. S25.502
    Unspecified injury of intercostal blood vessels, left side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  66. S25.509
    Unspecified injury of intercostal blood vessels, unspecified side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  67. S25.51
    Laceration of intercostal blood vessels
    Header
  68. S25.511
    Laceration of intercostal blood vessels, right side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  69. S25.512
    Laceration of intercostal blood vessels, left side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  70. S25.519
    Laceration of intercostal blood vessels, unspecified side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  71. S25.59
    Other specified injury of intercostal blood vessels
    Header
  72. S25.591
    Other specified injury of intercostal blood vessels, right side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  73. S25.592
    Other specified injury of intercostal blood vessels, left side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  74. S25.599
    Other specified injury of intercostal blood vessels, unspecified side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  75. S25.8
    Injury of other blood vessels of thorax
    Header
    Inclusion terms 2

    Inclusion terms

    • Injury of azygos vein
    • Injury of mammary artery or vein
  76. S25.80
    Unspecified injury of other blood vessels of thorax
    Header
  77. S25.801
    Unspecified injury of other blood vessels of thorax, right side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  78. S25.802
    Unspecified injury of other blood vessels of thorax, left side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  79. S25.809
    Unspecified injury of other blood vessels of thorax, unspecified side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  80. S25.81
    Laceration of other blood vessels of thorax
    Header
  81. S25.811
    Laceration of other blood vessels of thorax, right side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  82. S25.812
    Laceration of other blood vessels of thorax, left side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  83. S25.819
    Laceration of other blood vessels of thorax, unspecified side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  84. S25.89
    Other specified injury of other blood vessels of thorax
    Header
  85. S25.891
    Other specified injury of other blood vessels of thorax, right side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  86. S25.892
    Other specified injury of other blood vessels of thorax, left side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  87. S25.899
    Other specified injury of other blood vessels of thorax, unspecified side +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  88. S25.9
    Injury of unspecified blood vessel of thorax
    Header
  89. S25.90
    Unspecified injury of unspecified blood vessel of thorax +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  90. S25.91
    Laceration of unspecified blood vessel of thorax +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  91. S25.99
    Other specified injury of unspecified blood vessel of thorax +7th: A D S
    Needs 7th characterCC AExempt: 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 S25

Code also

  • any associated open wound (S21.-) S21

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 S25 defined here

The appropriate 7th character is to be added to each code from category S25

7th characters for S25
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

  • Injuryaorta (thoracic) → S25.00
  • Injuryvena cava (superior) → S25.20
  • Injuryaorta (thoracic)laceration (minor) (superficial) → S25.01
  • Injuryaorta (thoracic)specified type NEC → S25.09
  • Injuryvena cava (superior)laceration (minor) (superficial) → S25.21
  • Injuryvena cava (superior)specified type NEC → S25.29
  • Injuryblood vessel NECthoracic → S25.90
  • Injuryblood vessel NECthoracicaorta → S25.00
  • Injuryaorta (thoracic)laceration (minor) (superficial)major → S25.02
  • Injuryblood vessel NECthoracicvena cava (superior) → S25.20
  • Injuryvena cava (superior)laceration (minor) (superficial)major → S25.22
  • Injuryblood vessel NECthoracicpulmonary → S25.40-
  • Injuryblood vessel NECthoracicintercostal → S25.50-
  • Injuryblood vessel NECthoraciclaceration → S25.91
  • Injuryblood vessel NECthoracicaortalaceration (minor) (superficial) → S25.01
  • Injuryblood vessel NECthoracicaortaspecified type NEC → S25.09
  • Injuryblood vessel NECthoracicinnominateartery → S25.10-
  • Injuryblood vessel NECthoracicvena cava (superior)laceration (minor) (superficial) → S25.21
  • Injuryblood vessel NECthoracicvena cava (superior)specified type NEC → S25.29
  • Injuryblood vessel NECthoracicinnominatevein → S25.30-
  • Injuryblood vessel NECthoracicpulmonarylaceration (minor) (superficial) → S25.41-
  • Injuryblood vessel NECthoracicpulmonaryspecified type NEC → S25.49-
  • Injuryblood vessel NECthoracicintercostallaceration → S25.51-
  • Injuryblood vessel NECthoracicintercostalspecified type NEC → S25.59-
  • Injuryblood vessel NECthoracicspecifiedsite NEC → S25.80-
  • Injuryblood vessel NECthoracicspecifiedtype NEC → S25.99
  • Injuryblood vessel NECthoracicaortalaceration (minor) (superficial)major → S25.02
  • Injuryblood vessel NECthoracicinnominatearterylaceration (minor) (superficial) → S25.11-
  • Injuryblood vessel NECthoracicinnominatearteryspecified type NEC → S25.19-
  • Injuryblood vessel NECthoracicvena cava (superior)laceration (minor) (superficial)major → S25.22
  • Injuryblood vessel NECthoracicinnominateveinlaceration (minor) (superficial) → S25.31-
  • Injuryblood vessel NECthoracicinnominateveinspecified type NEC → S25.39-
  • Injuryblood vessel NECthoracicpulmonarylaceration (minor) (superficial)major → S25.42-
  • Injuryblood vessel NECthoracicspecifiedsite NEClaceration → S25.81-
  • Injuryblood vessel NECthoracicspecifiedsite NECspecified type NEC → S25.89-
  • Injuryblood vessel NECthoracicinnominatearterylaceration (minor) (superficial)major → S25.12-
  • Injuryblood vessel NECthoracicinnominateveinlaceration (minor) (superficial)major → S25.32-

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

Hierarchy