DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

T32 Corrosions classified according to extent of body surface involved

  • Header · not billable

T32 is not billable. The category heads 55 billable codes in FY2027, grouped under 10 subdivisions.

Index → code

  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)less than 10 percent → T32.0
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)10-19 percent (0-9 percent third degree) → T32.10
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)20-29 percent (0-9 percent third degree) → T32.20

Where it sits

  1. Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. T30-T32 Burns and corrosions of multiple and unspecified body regions (T30-T32)
  3. T32 Corrosions classified according to extent of body surface involved
Billable codes
55
Subdivisions
10
CC / MCC codes
10 / 44
HCC V28 codes
45
New FY2027
0
Index entries
110

Codes in T32

  1. T32.0
    Corrosions involving less than 10% of body surface
    Billable
  2. T32.1
    Corrosions involving 10-19% of body surface
    Header
  3. T32.10
    Corrosions involving 10-19% of body surface with 0% to 9% third degree corrosion
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Corrosions involving 10-19% of body surface NOS
  4. T32.11
    Corrosions involving 10-19% of body surface with 10-19% third degree corrosion
    BillableCC385
  5. T32.2
    Corrosions involving 20-29% of body surface
    Header
  6. T32.20
    Corrosions involving 20-29% of body surface with 0% to 9% third degree corrosion
    BillableCC
  7. T32.21
    Corrosions involving 20-29% of body surface with 10-19% third degree corrosion
    BillableMCC385
  8. T32.22
    Corrosions involving 20-29% of body surface with 20-29% third degree corrosion
    BillableMCC385
  9. T32.3
    Corrosions involving 30-39% of body surface
    Header
  10. T32.30
    Corrosions involving 30-39% of body surface with 0% to 9% third degree corrosion
    BillableCC
  11. T32.31
    Corrosions involving 30-39% of body surface with 10-19% third degree corrosion
    BillableMCC385
  12. T32.32
    Corrosions involving 30-39% of body surface with 20-29% third degree corrosion
    BillableMCC385
  13. T32.33
    Corrosions involving 30-39% of body surface with 30-39% third degree corrosion
    BillableMCC385
  14. T32.4
    Corrosions involving 40-49% of body surface
    Header
  15. T32.40
    Corrosions involving 40-49% of body surface with 0% to 9% third degree corrosion
    BillableCC
  16. T32.41
    Corrosions involving 40-49% of body surface with 10-19% third degree corrosion
    BillableMCC385
  17. T32.42
    Corrosions involving 40-49% of body surface with 20-29% third degree corrosion
    BillableMCC385
  18. T32.43
    Corrosions involving 40-49% of body surface with 30-39% third degree corrosion
    BillableMCC385
  19. T32.44
    Corrosions involving 40-49% of body surface with 40-49% third degree corrosion
    BillableMCC385
  20. T32.5
    Corrosions involving 50-59% of body surface
    Header
  21. T32.50
    Corrosions involving 50-59% of body surface with 0% to 9% third degree corrosion
    BillableCC
  22. T32.51
    Corrosions involving 50-59% of body surface with 10-19% third degree corrosion
    BillableMCC385
  23. T32.52
    Corrosions involving 50-59% of body surface with 20-29% third degree corrosion
    BillableMCC385
  24. T32.53
    Corrosions involving 50-59% of body surface with 30-39% third degree corrosion
    BillableMCC385
  25. T32.54
    Corrosions involving 50-59% of body surface with 40-49% third degree corrosion
    BillableMCC385
  26. T32.55
    Corrosions involving 50-59% of body surface with 50-59% third degree corrosion
    BillableMCC385
  27. T32.6
    Corrosions involving 60-69% of body surface
    Header
  28. T32.60
    Corrosions involving 60-69% of body surface with 0% to 9% third degree corrosion
    BillableCC
  29. T32.61
    Corrosions involving 60-69% of body surface with 10-19% third degree corrosion
    BillableMCC385
  30. T32.62
    Corrosions involving 60-69% of body surface with 20-29% third degree corrosion
    BillableMCC385
  31. T32.63
    Corrosions involving 60-69% of body surface with 30-39% third degree corrosion
    BillableMCC385
  32. T32.64
    Corrosions involving 60-69% of body surface with 40-49% third degree corrosion
    BillableMCC385
  33. T32.65
    Corrosions involving 60-69% of body surface with 50-59% third degree corrosion
    BillableMCC385
  34. T32.66
    Corrosions involving 60-69% of body surface with 60-69% third degree corrosion
    BillableMCC385
  35. T32.7
    Corrosions involving 70-79% of body surface
    Header
  36. T32.70
    Corrosions involving 70-79% of body surface with 0% to 9% third degree corrosion
    BillableCC
  37. T32.71
    Corrosions involving 70-79% of body surface with 10-19% third degree corrosion
    BillableMCC385
  38. T32.72
    Corrosions involving 70-79% of body surface with 20-29% third degree corrosion
    BillableMCC385
  39. T32.73
    Corrosions involving 70-79% of body surface with 30-39% third degree corrosion
    BillableMCC385
  40. T32.74
    Corrosions involving 70-79% of body surface with 40-49% third degree corrosion
    BillableMCC385
  41. T32.75
    Corrosions involving 70-79% of body surface with 50-59% third degree corrosion
    BillableMCC385
  42. T32.76
    Corrosions involving 70-79% of body surface with 60-69% third degree corrosion
    BillableMCC385
  43. T32.77
    Corrosions involving 70-79% of body surface with 70-79% third degree corrosion
    BillableMCC385
  44. T32.8
    Corrosions involving 80-89% of body surface
    Header
  45. T32.80
    Corrosions involving 80-89% of body surface with 0% to 9% third degree corrosion
    BillableCC
  46. T32.81
    Corrosions involving 80-89% of body surface with 10-19% third degree corrosion
    BillableMCC385
  47. T32.82
    Corrosions involving 80-89% of body surface with 20-29% third degree corrosion
    BillableMCC385
  48. T32.83
    Corrosions involving 80-89% of body surface with 30-39% third degree corrosion
    BillableMCC385
  49. T32.84
    Corrosions involving 80-89% of body surface with 40-49% third degree corrosion
    BillableMCC385
  50. T32.85
    Corrosions involving 80-89% of body surface with 50-59% third degree corrosion
    BillableMCC385
  51. T32.86
    Corrosions involving 80-89% of body surface with 60-69% third degree corrosion
    BillableMCC385
  52. T32.87
    Corrosions involving 80-89% of body surface with 70-79% third degree corrosion
    BillableMCC385
  53. T32.88
    Corrosions involving 80-89% of body surface with 80-89% third degree corrosion
    BillableMCC385
  54. T32.9
    Corrosions involving 90% or more of body surface
    Header
  55. T32.90
    Corrosions involving 90% or more of body surface with 0% to 9% third degree corrosion
    BillableCC
  56. T32.91
    Corrosions involving 90% or more of body surface with 10-19% third degree corrosion
    BillableMCC385
  57. T32.92
    Corrosions involving 90% or more of body surface with 20-29% third degree corrosion
    BillableMCC385
  58. T32.93
    Corrosions involving 90% or more of body surface with 30-39% third degree corrosion
    BillableMCC385
  59. T32.94
    Corrosions involving 90% or more of body surface with 40-49% third degree corrosion
    BillableMCC385
  60. T32.95
    Corrosions involving 90% or more of body surface with 50-59% third degree corrosion
    BillableMCC385
  61. T32.96
    Corrosions involving 90% or more of body surface with 60-69% third degree corrosion
    BillableMCC385
  62. T32.97
    Corrosions involving 90% or more of body surface with 70-79% third degree corrosion
    BillableMCC385
  63. T32.98
    Corrosions involving 90% or more of body surface with 80-89% third degree corrosion
    BillableMCC385
  64. T32.99
    Corrosions involving 90% or more of body surface with 90% or more third degree corrosion
    BillableMCC385

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.

Instructions

At T32

Notes

  • This category is to be used as the primary code only when the site of the corrosion is unspecified. It may be used as a supplementary code with categories T20-T25 when the site is specified. T20 T25

Notes that also apply

Instructions for the group T20-T32 (Includes 10, Excludes2 3): printed on the chapter 19 page.

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

Index entries

  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)less than 10 percent → T32.0
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specifiedless than 10 percent → T32.0
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)10-19 percent (0-9 percent third degree) → T32.10
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified10-19 percent (0-9 percent third degree) → T32.10
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)20-29 percent (0-9 percent third degree) → T32.20
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified20-29 percent (0-9 percent third degree) → T32.20
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)30-39 percent (0-9 percent third degree) → T32.30
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified30-39 percent (0-9 percent third degree) → T32.30
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)40-49 percent (0-9 percent third degree) → T32.40
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified40-49 percent (0-9 percent third degree) → T32.40
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)50-59 percent (0-9 percent third degree) → T32.50
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified50-59 percent (0-9 percent third degree) → T32.50
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)60-69 percent (0-9 percent third degree) → T32.60
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified60-69 percent (0-9 percent third degree) → T32.60
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)70-79 percent (0-9 percent third degree) → T32.70
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified70-79 percent (0-9 percent third degree) → T32.70
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)80-89 percent (0-9 percent third degree) → T32.80
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified80-89 percent (0-9 percent third degree) → T32.80
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)90 percent or more (0-9 percent third degree) → T32.90
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified90 percent or more (0-9 percent third degree) → T32.90
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)10-19 percent (0-9 percent third degree)with 10-19 percent third degree → T32.11
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified10-19 percent (0-9 percent third degree)with 10-19 percent third degree → T32.11
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)20-29 percent (0-9 percent third degree)with10-19 percent third degree → T32.21
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified20-29 percent (0-9 percent third degree)with10-19 percent third degree → T32.21
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)20-29 percent (0-9 percent third degree)with20-29 percent third degree → T32.22
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified20-29 percent (0-9 percent third degree)with20-29 percent third degree → T32.22
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)30-39 percent (0-9 percent third degree)with10-19 percent third degree → T32.31
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified30-39 percent (0-9 percent third degree)with10-19 percent third degree → T32.31
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)30-39 percent (0-9 percent third degree)with20-29 percent third degree → T32.32
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified30-39 percent (0-9 percent third degree)with20-29 percent third degree → T32.32
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)30-39 percent (0-9 percent third degree)with30-39 percent third degree → T32.33
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified30-39 percent (0-9 percent third degree)with30-39 percent third degree → T32.33
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)40-49 percent (0-9 percent third degree)with10-19 percent third degree → T32.41
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified40-49 percent (0-9 percent third degree)with10-19 percent third degree → T32.41
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)40-49 percent (0-9 percent third degree)with20-29 percent third degree → T32.42
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified40-49 percent (0-9 percent third degree)with20-29 percent third degree → T32.42
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)40-49 percent (0-9 percent third degree)with30-39 percent third degree → T32.43
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified40-49 percent (0-9 percent third degree)with30-39 percent third degree → T32.43
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)extent (percentage of body surface)40-49 percent (0-9 percent third degree)with40-49 percent third degree → T32.44
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)unspecified site with extent of body surface involved specified40-49 percent (0-9 percent third degree)with40-49 percent third degree → T32.44

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