DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Y38 Terrorism

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

Y38 is not billable. The category heads 96 billable codes in FY2027, grouped under 10 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Where it sits

  1. Chapter 20 External causes of morbidity (V00-Y99)
  2. Y35-Y38 Legal intervention, operations of war, military operations, and terrorism (Y35-Y38)
  3. Y38 Terrorism
Billable codes
96
Subdivisions
10
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
0

Codes in Y38

  1. Y38.0
    Terrorism involving explosion of marine weapons
    Header
    Inclusion terms 6

    Inclusion terms

    • Terrorism involving depth-charge
    • Terrorism involving marine mine
    • Terrorism involving mine NOS, at sea or in harbor
    • Terrorism involving sea-based artillery shell
    • Terrorism involving torpedo
    • Terrorism involving underwater blast
  2. Y38.0X
    Terrorism involving explosion of marine weapons
    Header
  3. Y38.0X1
    Terrorism involving explosion of marine weapons, public safety official injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  4. Y38.0X2
    Terrorism involving explosion of marine weapons, civilian injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  5. Y38.0X3
    Terrorism involving explosion of marine weapons, terrorist injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  6. Y38.1
    Terrorism involving destruction of aircraft
    Header
    Inclusion terms 4

    Inclusion terms

    • Terrorism involving aircraft burned
    • Terrorism involving aircraft exploded
    • Terrorism involving aircraft being shot down
    • Terrorism involving aircraft used as a weapon
  7. Y38.1X
    Terrorism involving destruction of aircraft
    Header
  8. Y38.1X1
    Terrorism involving destruction of aircraft, public safety official injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  9. Y38.1X2
    Terrorism involving destruction of aircraft, civilian injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  10. Y38.1X3
    Terrorism involving destruction of aircraft, terrorist injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  11. Y38.2
    Terrorism involving other explosions and fragments
    Header
    Inclusion terms 16, Excludes1 2

    Inclusion terms

    • Terrorism involving antipersonnel (fragments) bomb
    • Terrorism involving blast NOS
    • Terrorism involving explosion NOS
    • Terrorism involving explosion of breech block
    • Terrorism involving explosion of cannon block
    • Terrorism involving explosion (fragments) of artillery shell
    • Terrorism involving explosion (fragments) of bomb
    • Terrorism involving explosion (fragments) of grenade
    • Terrorism involving explosion (fragments) of guided missile
    • Terrorism involving explosion (fragments) of land mine
    • Terrorism involving explosion of mortar bomb
    • Terrorism involving explosion of munitions
    • Terrorism involving explosion (fragments) of rocket
    • Terrorism involving explosion (fragments) of shell
    • Terrorism involving shrapnel
    • Terrorism involving mine NOS, on land

    Excludes1

    • terrorism involving explosion of nuclear weapon (Y38.5) Y38.5
    • terrorism involving suicide bomber (Y38.81) Y38.81
  12. Y38.2X
    Terrorism involving other explosions and fragments
    Header
  13. Y38.2X1
    Terrorism involving other explosions and fragments, public safety official injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  14. Y38.2X2
    Terrorism involving other explosions and fragments, civilian injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  15. Y38.2X3
    Terrorism involving other explosions and fragments, terrorist injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  16. Y38.3
    Terrorism involving fires, conflagration and hot substances
    Header
    Inclusion terms 3, Excludes1 1

    Inclusion terms

    • Terrorism involving conflagration NOS
    • Terrorism involving fire NOS
    • Terrorism involving petrol bomb

    Excludes1

    • terrorism involving fire or heat of nuclear weapon (Y38.5) Y38.5
  17. Y38.3X
    Terrorism involving fires, conflagration and hot substances
    Header
  18. Y38.3X1
    Terrorism involving fires, conflagration and hot substances, public safety official injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  19. Y38.3X2
    Terrorism involving fires, conflagration and hot substances, civilian injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  20. Y38.3X3
    Terrorism involving fires, conflagration and hot substances, terrorist injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  21. Y38.4
    Terrorism involving firearms
    Header
    Inclusion terms 6

    Inclusion terms

    • Terrorism involving carbine bullet
    • Terrorism involving machine gun bullet
    • Terrorism involving pellets (shotgun)
    • Terrorism involving pistol bullet
    • Terrorism involving rifle bullet
    • Terrorism involving rubber (rifle) bullet
  22. Y38.4X
    Terrorism involving firearms
    Header
  23. Y38.4X1
    Terrorism involving firearms, public safety official injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  24. Y38.4X2
    Terrorism involving firearms, civilian injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  25. Y38.4X3
    Terrorism involving firearms, terrorist injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  26. Y38.5
    Terrorism involving nuclear weapons
    Header
    Inclusion terms 4

    Inclusion terms

    • Terrorism involving blast effects of nuclear weapon
    • Terrorism involving exposure to ionizing radiation from nuclear weapon
    • Terrorism involving fireball effect of nuclear weapon
    • Terrorism involving heat from nuclear weapon
  27. Y38.5X
    Terrorism involving nuclear weapons
    Header
  28. Y38.5X1
    Terrorism involving nuclear weapons, public safety official injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  29. Y38.5X2
    Terrorism involving nuclear weapons, civilian injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  30. Y38.5X3
    Terrorism involving nuclear weapons, terrorist injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  31. Y38.6
    Terrorism involving biological weapons
    Header
    Inclusion terms 3

    Inclusion terms

    • Terrorism involving anthrax
    • Terrorism involving cholera
    • Terrorism involving smallpox
  32. Y38.6X
    Terrorism involving biological weapons
    Header
  33. Y38.6X1
    Terrorism involving biological weapons, public safety official injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  34. Y38.6X2
    Terrorism involving biological weapons, civilian injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  35. Y38.6X3
    Terrorism involving biological weapons, terrorist injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  36. Y38.7
    Terrorism involving chemical weapons
    Header
    Inclusion terms 4

    Inclusion terms

    • Terrorism involving gases, fumes, chemicals
    • Terrorism involving hydrogen cyanide
    • Terrorism involving phosgene
    • Terrorism involving sarin
  37. Y38.7X
    Terrorism involving chemical weapons
    Header
  38. Y38.7X1
    Terrorism involving chemical weapons, public safety official injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  39. Y38.7X2
    Terrorism involving chemical weapons, civilian injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  40. Y38.7X3
    Terrorism involving chemical weapons, terrorist injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  41. Y38.8
    Terrorism involving other and unspecified means
    Header
  42. Y38.80
    Terrorism involving unspecified means +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Terrorism NOS
  43. Y38.81
    Terrorism involving suicide bomber
    Header
  44. Y38.811
    Terrorism involving suicide bomber, public safety official injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  45. Y38.812
    Terrorism involving suicide bomber, civilian injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  46. Y38.89
    Terrorism involving other means
    Header
    Inclusion terms 3

    Inclusion terms

    • Terrorism involving drowning and submersion
    • Terrorism involving lasers
    • Terrorism involving piercing or stabbing instruments
  47. Y38.891
    Terrorism involving other means, public safety official injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  48. Y38.892
    Terrorism involving other means, civilian injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  49. Y38.893
    Terrorism involving other means, terrorist injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  50. Y38.9
    Terrorism, secondary effects
    Header
    Notes 1

    Notes

    • This code is for use to identify conditions occurring subsequent to a terrorist attack not those that are due to the initial terrorist attack
  51. Y38.9X
    Terrorism, secondary effects
    Header
  52. Y38.9X1
    Terrorism, secondary effects, public safety official injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  53. Y38.9X2
    Terrorism, secondary effects, civilian injured +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters

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 Y38

Inclusion terms

  • These codes are for use to identify injuries resulting from the unlawful use of force or violence against persons or property to intimidate or coerce a Government, the civilian population, or any segment thereof, in furtherance of political or social objective

Use additional code

  • code for place of occurrence (Y92.-) Y92

Notes that also apply

Chapter 20 instructions (Notes 1): printed on the chapter 20 page.

7th characters

7th characters for Y38 defined here

The appropriate 7th character is to be added to each code from category Y38

7th characters for Y38
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.

Hierarchy