DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

T17 Foreign body in respiratory tract

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

T17 is not billable. The category heads 150 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

Where it sits

  1. Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. T15-T19 Effects of foreign body entering through natural orifice (T15-T19)
  3. T17 Foreign body in respiratory tract
Billable codes
150
Subdivisions
8
CC / MCC codes
24 / 0
HCC V28 codes
0
New FY2027
0
Index entries
66

Codes in T17

  1. T17.0
    Foreign body in nasal sinus +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  2. T17.1
    Foreign body in nostril +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Foreign body in nose NOS
  3. T17.2
    Foreign body in pharynx
    Header
    Inclusion terms 2

    Inclusion terms

    • Foreign body in nasopharynx
    • Foreign body in throat NOS
  4. T17.20
    Unspecified foreign body in pharynx
    Header
  5. T17.200
    Unspecified foreign body in pharynx causing asphyxiation +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  6. T17.208
    Unspecified foreign body in pharynx causing other injury +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  7. T17.21
    Gastric contents in pharynx
    Header
    Inclusion terms 2

    Inclusion terms

    • Aspiration of gastric contents into pharynx
    • Vomitus in pharynx
  8. T17.210
    Gastric contents in pharynx causing asphyxiation +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  9. T17.218
    Gastric contents in pharynx causing other injury +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  10. T17.22
    Food in pharynx
    Header
    Inclusion terms 2

    Inclusion terms

    • Bones in pharynx
    • Seeds in pharynx
  11. T17.220
    Food in pharynx causing asphyxiation +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  12. T17.228
    Food in pharynx causing other injury +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  13. T17.29
    Other foreign object in pharynx
    Header
  14. T17.290
    Other foreign object in pharynx causing asphyxiation +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  15. T17.298
    Other foreign object in pharynx causing other injury +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  16. T17.3
    Foreign body in larynx
    Header
  17. T17.30
    Unspecified foreign body in larynx
    Header
  18. T17.300
    Unspecified foreign body in larynx causing asphyxiation +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  19. T17.308
    Unspecified foreign body in larynx causing other injury +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  20. T17.31
    Gastric contents in larynx
    Header
    Inclusion terms 2

    Inclusion terms

    • Aspiration of gastric contents into larynx
    • Vomitus in larynx
  21. T17.310
    Gastric contents in larynx causing asphyxiation +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  22. T17.318
    Gastric contents in larynx causing other injury +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  23. T17.32
    Food in larynx
    Header
    Inclusion terms 2

    Inclusion terms

    • Bones in larynx
    • Seeds in larynx
  24. T17.320
    Food in larynx causing asphyxiation +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  25. T17.328
    Food in larynx causing other injury +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  26. T17.39
    Other foreign object in larynx
    Header
  27. T17.390
    Other foreign object in larynx causing asphyxiation +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  28. T17.398
    Other foreign object in larynx causing other injury +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  29. T17.4
    Foreign body in trachea
    Header
  30. T17.40
    Unspecified foreign body in trachea
    Header
  31. T17.400
    Unspecified foreign body in trachea causing asphyxiation +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  32. T17.408
    Unspecified foreign body in trachea causing other injury +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  33. T17.41
    Gastric contents in trachea
    Header
    Inclusion terms 2

    Inclusion terms

    • Aspiration of gastric contents into trachea
    • Vomitus in trachea
  34. T17.410
    Gastric contents in trachea causing asphyxiation +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  35. T17.418
    Gastric contents in trachea causing other injury +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  36. T17.42
    Food in trachea
    Header
    Inclusion terms 2

    Inclusion terms

    • Bones in trachea
    • Seeds in trachea
  37. T17.420
    Food in trachea causing asphyxiation +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  38. T17.428
    Food in trachea causing other injury +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  39. T17.49
    Other foreign object in trachea
    Header
  40. T17.490
    Other foreign object in trachea causing asphyxiation +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  41. T17.498
    Other foreign object in trachea causing other injury +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  42. T17.5
    Foreign body in bronchus
    Header
  43. T17.50
    Unspecified foreign body in bronchus
    Header
  44. T17.500
    Unspecified foreign body in bronchus causing asphyxiation +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  45. T17.508
    Unspecified foreign body in bronchus causing other injury +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  46. T17.51
    Gastric contents in bronchus
    Header
    Inclusion terms 2

    Inclusion terms

    • Aspiration of gastric contents into bronchus
    • Vomitus in bronchus
  47. T17.510
    Gastric contents in bronchus causing asphyxiation +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  48. T17.518
    Gastric contents in bronchus causing other injury +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  49. T17.52
    Food in bronchus
    Header
    Inclusion terms 2

    Inclusion terms

    • Bones in bronchus
    • Seeds in bronchus
  50. T17.520
    Food in bronchus causing asphyxiation +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  51. T17.528
    Food in bronchus causing other injury +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  52. T17.59
    Other foreign object in bronchus
    Header
  53. T17.590
    Other foreign object in bronchus causing asphyxiation +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  54. T17.598
    Other foreign object in bronchus causing other injury +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  55. T17.8
    Foreign body in other parts of respiratory tract
    Header
    Inclusion terms 2

    Inclusion terms

    • Foreign body in bronchioles
    • Foreign body in lung
  56. T17.80
    Unspecified foreign body in other parts of respiratory tract
    Header
  57. T17.800
    Unspecified foreign body in other parts of respiratory tract causing asphyxiation +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  58. T17.808
    Unspecified foreign body in other parts of respiratory tract causing other injury +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  59. T17.81
    Gastric contents in other parts of respiratory tract
    Header
    Inclusion terms 2

    Inclusion terms

    • Aspiration of gastric contents into other parts of respiratory tract
    • Vomitus in other parts of respiratory tract
  60. T17.810
    Gastric contents in other parts of respiratory tract causing asphyxiation +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  61. T17.818
    Gastric contents in other parts of respiratory tract causing other injury +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  62. T17.82
    Food in other parts of respiratory tract
    Header
    Inclusion terms 2

    Inclusion terms

    • Bones in other parts of respiratory tract
    • Seeds in other parts of respiratory tract
  63. T17.820
    Food in other parts of respiratory tract causing asphyxiation +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  64. T17.828
    Food in other parts of respiratory tract causing other injury +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  65. T17.89
    Other foreign object in other parts of respiratory tract
    Header
  66. T17.890
    Other foreign object in other parts of respiratory tract causing asphyxiation +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  67. T17.898
    Other foreign object in other parts of respiratory tract causing other injury +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  68. T17.9
    Foreign body in respiratory tract, part unspecified
    Header
  69. T17.90
    Unspecified foreign body in respiratory tract, part unspecified
    Header
  70. T17.900
    Unspecified foreign body in respiratory tract, part unspecified causing asphyxiation +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  71. T17.908
    Unspecified foreign body in respiratory tract, part unspecified causing other injury +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  72. T17.91
    Gastric contents in respiratory tract, part unspecified
    Header
    Inclusion terms 2

    Inclusion terms

    • Aspiration of gastric contents into respiratory tract, part unspecified
    • Vomitus in trachea respiratory tract, part unspecified
  73. T17.910
    Gastric contents in respiratory tract, part unspecified causing asphyxiation +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  74. T17.918
    Gastric contents in respiratory tract, part unspecified causing other injury +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  75. T17.92
    Food in respiratory tract, part unspecified
    Header
    Inclusion terms 2

    Inclusion terms

    • Bones in respiratory tract, part unspecified
    • Seeds in respiratory tract, part unspecified
  76. T17.920
    Food in respiratory tract, part unspecified causing asphyxiation +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  77. T17.928
    Food in respiratory tract, part unspecified causing other injury +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  78. T17.99
    Other foreign object in respiratory tract, part unspecified
    Header
  79. T17.990
    Other foreign object in respiratory tract, part unspecified in causing asphyxiation +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  80. T17.998
    Other foreign object in respiratory tract, part unspecified causing other injury +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

Notes that also apply

Block T15-T19 instructions (Excludes2 4, Use additional code 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 T17 defined here

The appropriate 7th character is to be added to each code from category T17

7th characters for T17
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

  • Foreign bodypharynx → T17.208
  • Foreign bodylarynx → T17.308
  • Foreign bodytrachea → T17.408
  • Foreign bodybronchus → T17.508
  • Bronchitis (diffuse) (fibrinous) (hypostatic) (infective) (membranous)arachidic → T17.528
  • Foreign bodyrespiratory tract → T17.908
  • Foreign bodyentering through orificeaccessory sinus → T17.0
  • Foreign bodyentering through orificeantrum (Highmore's) → T17.0
  • Foreign bodyentering through orificeHighmore's antrum → T17.0
  • Foreign bodyentering through orificemaxillary sinus → T17.0
  • Foreign bodyentering through orificenasal sinus → T17.0
  • Foreign bodyentering through orificesinus (accessory) (frontal) (maxillary) (nasal) → T17.0
  • Foreign bodyrespiratory tractnasal sinus → T17.0
  • Foreign bodyentering through orificenose (passage) → T17.1
  • Foreign bodyentering through orificenostril → T17.1
  • Foreign bodyrespiratory tractnose → T17.1
  • Foreign bodyrespiratory tractnostril → T17.1
  • Foreign bodyrespiratory tractspecified site NEC → T17.808
  • Foreign bodypharynxcausingasphyxiation → T17.200
  • Foreign bodypharynxcausinginjury NEC → T17.208
  • Foreign bodylarynxcausingasphyxiation → T17.300
  • Foreign bodylarynxcausinginjury NEC → T17.308
  • Foreign bodytracheacausingasphyxiation → T17.400
  • Foreign bodytracheacausinginjury NEC → T17.408
  • Foreign bodybronchuscausingasphyxiation → T17.500
  • Foreign bodybronchuscausinginjury NEC → T17.508
  • Foreign bodyrespiratory tractcausingasphyxiation → T17.900
  • Foreign bodyrespiratory tractcausinginjury NEC → T17.908
  • Foreign bodypharynxcausingasphyxiationgastric contents (vomitus) → T17.210
  • Foreign bodypharynxcausinginjury NECgastric contents (vomitus) → T17.218
  • Foreign bodypharynxcausingasphyxiationfood (bone) (seed) → T17.220
  • Foreign bodypharynxcausinginjury NECfood (bone) (seed) → T17.228
  • Foreign bodypharynxcausingasphyxiationspecified type NEC → T17.290
  • Foreign bodypharynxcausinginjury NECspecified type NEC → T17.298
  • Foreign bodylarynxcausingasphyxiationgastric contents (vomitus) → T17.310
  • Foreign bodylarynxcausinginjury NECgastric contents (vomitus) → T17.318
  • Foreign bodylarynxcausingasphyxiationfood (bone) (seed) → T17.320
  • Foreign bodylarynxcausinginjury NECfood (bone) (seed) → T17.328
  • Foreign bodylarynxcausingasphyxiationspecified type NEC → T17.390
  • Foreign bodylarynxcausinginjury NECspecified type NEC → T17.398

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

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

Hierarchy