DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

I97 Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified

  • Header · not billable

I97 is not billable. The category heads 39 billable codes in FY2027, grouped under 9 subdivisions.

Index → code

  • Postcardiotomy syndrome → I97.0
  • Postvalvulotomy syndrome → I97.0
  • Postcommissurotomy syndrome → I97.0

Where it sits

  1. Chapter 9 Diseases of the circulatory system (I00-I99)
  2. I95-I99 Other and unspecified disorders of the circulatory system (I95-I99)
  3. I97 Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified
Billable codes
39
Subdivisions
9
CC / MCC codes
36 / 0
HCC V28 codes
0
New FY2027
0
Index entries
94

Codes in I97

  1. I97.0
    Postcardiotomy syndrome
    Billable
  2. I97.1
    Other postprocedural cardiac functional disturbances
    Header
    Excludes2 2

    Excludes2

    • acute pulmonary insufficiency following thoracic surgery (J95.1) J95.1
    • intraoperative cardiac functional disturbances (I97.7-) I97.7
  3. I97.11
    Postprocedural cardiac insufficiency
    Header
  4. I97.110
    Postprocedural cardiac insufficiency following cardiac surgery
    BillableCC
  5. I97.111
    Postprocedural cardiac insufficiency following other surgery
    BillableCC
  6. I97.12
    Postprocedural cardiac arrest
    Header
  7. I97.120
    Postprocedural cardiac arrest following cardiac surgery
    BillableCC
  8. I97.121
    Postprocedural cardiac arrest following other surgery
    BillableCC
  9. I97.13
    Postprocedural heart failure
    Header
    Use additional code 1

    Use additional code

    • code to identify the heart failure (I50.-) I50
  10. I97.130
    Postprocedural heart failure following cardiac surgery
    BillableCC
  11. I97.131
    Postprocedural heart failure following other surgery
    BillableCC
  12. I97.19
    Other postprocedural cardiac functional disturbances
    Header
    Use additional code 1

    Use additional code

    • code, if applicable, to further specify disorder
  13. I97.190
    Other postprocedural cardiac functional disturbances following cardiac surgery
    BillableCC
    Use additional code 1

    Use additional code

    • code, if applicable, for type 4 or type 5 myocardial infarction, to further specify disorder
  14. I97.191
    Other postprocedural cardiac functional disturbances following other surgery
    BillableCC
  15. I97.2
    Postmastectomy lymphedema syndrome
    Billable
    Inclusion terms 2

    Inclusion terms

    • Elephantiasis due to mastectomy
    • Obliteration of lymphatic vessels
  16. I97.3
    Postprocedural hypertension
    Billable
  17. I97.4
    Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a procedure
    Header
    Excludes1 1, Excludes2 1

    Excludes1

    • intraoperative hemorrhage and hematoma of a circulatory system organ or structure due to accidental puncture and laceration during a procedure (I97.5-) I97.5

    Excludes2

    • intraoperative cerebrovascular hemorrhage complicating a procedure (G97.3-) G97.3
  18. I97.41
    Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a circulatory system procedure
    Header
  19. I97.410
    Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac catheterization
    BillableCC
  20. I97.411
    Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac bypass
    BillableCC
  21. I97.418
    Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other circulatory system procedure
    BillableCC
  22. I97.42
    Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other procedure
    BillableCC
  23. I97.5
    Accidental puncture and laceration of a circulatory system organ or structure during a procedure
    Header
    Excludes2 1

    Excludes2

    • accidental puncture and laceration of brain during a procedure (G97.4-) G97.4
  24. I97.51
    Accidental puncture and laceration of a circulatory system organ or structure during a circulatory system procedure
    BillableCC
  25. I97.52
    Accidental puncture and laceration of a circulatory system organ or structure during other procedure
    BillableCC
  26. I97.6
    Postprocedural hemorrhage, hematoma and seroma of a circulatory system organ or structure following a procedure
    Header
    Excludes2 1

    Excludes2

    • postprocedural cerebrovascular hemorrhage complicating a procedure (G97.5-) G97.5
  27. I97.61
    Postprocedural hemorrhage of a circulatory system organ or structure following a circulatory system procedure
    Header
  28. I97.610
    Postprocedural hemorrhage of a circulatory system organ or structure following a cardiac catheterization
    BillableCC
  29. I97.611
    Postprocedural hemorrhage of a circulatory system organ or structure following cardiac bypass
    BillableCC
  30. I97.618
    Postprocedural hemorrhage of a circulatory system organ or structure following other circulatory system procedure
    BillableCC
  31. I97.62
    Postprocedural hemorrhage, hematoma and seroma of a circulatory system organ or structure following other procedure
    Header
  32. I97.620
    Postprocedural hemorrhage of a circulatory system organ or structure following other procedure
    BillableCC
  33. I97.621
    Postprocedural hematoma of a circulatory system organ or structure following other procedure
    BillableCC
  34. I97.622
    Postprocedural seroma of a circulatory system organ or structure following other procedure
    BillableCC
  35. I97.63
    Postprocedural hematoma of a circulatory system organ or structure following a circulatory system procedure
    Header
  36. I97.630
    Postprocedural hematoma of a circulatory system organ or structure following a cardiac catheterization
    BillableCC
  37. I97.631
    Postprocedural hematoma of a circulatory system organ or structure following cardiac bypass
    BillableCC
  38. I97.638
    Postprocedural hematoma of a circulatory system organ or structure following other circulatory system procedure
    BillableCC
  39. I97.64
    Postprocedural seroma of a circulatory system organ or structure following a circulatory system procedure
    Header
  40. I97.640
    Postprocedural seroma of a circulatory system organ or structure following a cardiac catheterization
    BillableCC
  41. I97.641
    Postprocedural seroma of a circulatory system organ or structure following cardiac bypass
    BillableCC
  42. I97.648
    Postprocedural seroma of a circulatory system organ or structure following other circulatory system procedure
    BillableCC
  43. I97.7
    Intraoperative cardiac functional disturbances
    Header
    Excludes2 2

    Excludes2

    • acute pulmonary insufficiency following thoracic surgery (J95.1) J95.1
    • postprocedural cardiac functional disturbances (I97.1-) I97.1
  44. I97.71
    Intraoperative cardiac arrest
    Header
  45. I97.710
    Intraoperative cardiac arrest during cardiac surgery
    BillableCC
  46. I97.711
    Intraoperative cardiac arrest during other surgery
    BillableCC
  47. I97.79
    Other intraoperative cardiac functional disturbances
    Header
    Use additional code 1

    Use additional code

    • code, if applicable, to further specify disorder
  48. I97.790
    Other intraoperative cardiac functional disturbances during cardiac surgery
    BillableCC
  49. I97.791
    Other intraoperative cardiac functional disturbances during other surgery
    BillableCC
  50. I97.8
    Other intraoperative and postprocedural complications and disorders of the circulatory system, not elsewhere classified
    Header
    Use additional code 1

    Use additional code

    • code, if applicable, to further specify disorder
  51. I97.81
    Intraoperative cerebrovascular infarction
    Header
  52. I97.810
    Intraoperative cerebrovascular infarction during cardiac surgery
    BillableCC
  53. I97.811
    Intraoperative cerebrovascular infarction during other surgery
    BillableCC
  54. I97.82
    Postprocedural cerebrovascular infarction
    Header
  55. I97.820
    Postprocedural cerebrovascular infarction following cardiac surgery
    BillableCC
  56. I97.821
    Postprocedural cerebrovascular infarction following other surgery
    BillableCC
  57. I97.88
    Other intraoperative complications of the circulatory system, not elsewhere classified
    BillableCC
  58. I97.89
    Other postprocedural complications and disorders of the circulatory system, not elsewhere classified
    BillableCC

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 I97

Excludes2

  • postprocedural shock (T81.1-) T81.1

Notes that also apply

Chapter 9 instructions (Excludes2 10): printed on the chapter 9 page.

Index entries

  • Postcardiotomy syndrome → I97.0
  • Postcommissurotomy syndrome → I97.0
  • Postvalvulotomy syndrome → I97.0
  • Postmastectomy lymphedema (syndrome) → I97.2
  • Injurypostcardiac surgery (syndrome) → I97.0
  • Syndromepostcardiotomy → I97.0
  • Syndromepostcommissurotomy → I97.0
  • Syndromepostvalvulotomy → I97.0
  • Lymphedema (acquired)postmastectomy → I97.2
  • Syndromepostmastectomy lymphedema → I97.2
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)postoperative → I97.3
  • Elephantiasis (nonfilarial)surgical → I97.89
  • Lymphedema (acquired)surgical NEC → I97.89
  • Complication(s) (from) (of)surgical procedure (on)postcardiotomy syndrome → I97.0
  • Complication(s) (from) (of)surgical procedure (on)postcommissurotomy syndrome → I97.0
  • Complication(s) (from) (of)surgical procedure (on)postvalvulotomy syndrome → I97.0
  • SyndromeDressler's (postmyocardial infarction)postcardiotomy → I97.0
  • Syndromepostcardiac injurypostcardiotomy → I97.0
  • Insufficiency, insufficientcardiacdue to presence of (cardiac) prosthesis → I97.11-
  • Insufficiency, insufficientcardiacpostprocedural → I97.11-
  • Arrest, arrestedcardiacpostprocedural → I97.12-
  • Failure, failedheart (acute) (senile) (sudden)due to presence of cardiac prosthesis → I97.13-
  • Failure, failedheart (acute) (senile) (sudden)postprocedural → I97.13-
  • Failure, failedheart (acute) (senile) (sudden)following cardiac surgery → I97.130
  • Failure, failedheart (acute) (senile) (sudden)following other surgery → I97.131
  • Disturbance(s)heart, functional (conditions in I44-I50)due to presence of (cardiac) prosthesis → I97.19-
  • Complication(s) (from) (of)surgical procedure (on)postmastectomy lymphedema syndrome → I97.2
  • Edema, edematous (infectious) (pitting) (toxic)lymphaticdue to mastectomy → I97.2
  • Elephantiasis (nonfilarial)due tomastectomy → I97.2
  • Elephantiasis (nonfilarial)lymphatic vesseldue to mastectomy → I97.2
  • Elephantiasis (nonfilarial)surgicalpostmastectomy → I97.2
  • Lymphedema (acquired)surgical NECpostmastectomy (syndrome) → I97.2
  • Obliterationlymphatic vesseldue to mastectomy → I97.2
  • Arrest, arrestedcardiacintraoperative → I97.71-
  • Stroke (apoplectic) (brain) (ischemic) (paralytic)intraoperativeduring cardiac surgery → I97.810
  • Stroke (apoplectic) (brain) (ischemic) (paralytic)intraoperativeduring other surgery → I97.811
  • Stroke (apoplectic) (brain) (ischemic) (paralytic)postproceduralfollowing cardiac surgery → I97.820
  • Stroke (apoplectic) (brain) (ischemic) (paralytic)postproceduralfollowing other surgery → I97.821
  • Complication(s) (from) (of)circulatory systemintraoperative → I97.88
  • Complication(s) (from) (of)circulatory systempostprocedural → I97.89

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

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

Hierarchy