DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

I26 Pulmonary embolism

  • Header · not billable

I26 is not billable. The category heads 12 billable codes in FY2027, grouped under 2 subdivisions.

Index → code

  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein) → I26.99
  • Corpulmonaleacute → I26.09
  • Saddleemboluspulmonary artery → I26.92

Where it sits

  1. Chapter 9 Diseases of the circulatory system (I00-I99)
  2. I26-I28 Pulmonary heart disease and diseases of pulmonary circulation (I26-I28)
  3. I26 Pulmonary embolism
Billable codes
12
Subdivisions
2
CC / MCC codes
0 / 12
HCC V28 codes
12
New FY2027
0
Index entries
26

Codes in I26

  1. I26.0
    Pulmonary embolism with acute cor pulmonale
    Header
  2. I26.01
    Septic pulmonary embolism with acute cor pulmonale
    BillableMCC267
    Code first 1

    Code first

    • underlying infection
  3. I26.02
    Saddle embolus of pulmonary artery with acute cor pulmonale
    BillableMCC267
  4. I26.03
    Cement embolism of pulmonary artery with acute cor pulmonale
    BillableMCC267
    Code first 1

    Code first

    • complication of other artery following a procedure (T81.718) T81.718
  5. I26.04
    Fat embolism of pulmonary artery with acute cor pulmonale
    BillableMCC267
    Code first 3

    Code first

    • , if applicable:
    • complication of other artery following a procedure (T81.718) T81.718
    • traumatic fat embolism (T79.1) T79.1
  6. I26.09
    Other pulmonary embolism with acute cor pulmonale
    BillableMCC267
    Inclusion terms 2

    Inclusion terms

    • Acute cor pulmonale NOS
    • Other thrombotic pulmonary embolism with acute cor pulmonale
  7. I26.9
    Pulmonary embolism without acute cor pulmonale
    Header
  8. I26.90
    Septic pulmonary embolism without acute cor pulmonale
    BillableMCC267
    Code first 1

    Code first

    • underlying infection
  9. I26.92
    Saddle embolus of pulmonary artery without acute cor pulmonale
    BillableMCC267
  10. I26.93
    Single subsegmental thrombotic pulmonary embolism without acute cor pulmonale
    BillableMCC267
    Inclusion terms 1

    Inclusion terms

    • Subsegmental pulmonary embolism NOS
  11. I26.94
    Multiple subsegmental thrombotic pulmonary emboli without acute cor pulmonale
    BillableMCC267
  12. I26.95
    Cement embolism of pulmonary artery without acute cor pulmonale
    BillableMCC267
    Code first 1

    Code first

    • complication of other artery following a procedure (T81.718) T81.718
  13. I26.96
    Fat embolism of pulmonary artery without acute cor pulmonale
    BillableMCC267
    Code first 3

    Code first

    • , if applicable:
    • complication of other artery following a procedure (T81.718) T81.718
    • traumatic fat embolism (T79.1) T79.1
  14. I26.99
    Other pulmonary embolism without acute cor pulmonale
    BillableMCC267
    Inclusion terms 3

    Inclusion terms

    • Acute pulmonary embolism NOS
    • Other thrombotic pulmonary embolism without acute cor pulmonale
    • Pulmonary embolism NOS

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 I26

Includes

  • pulmonary (acute) (artery)(vein) infarction
  • pulmonary (acute) (artery)(vein) thromboembolism
  • pulmonary (acute) (artery)(vein) thrombosis

Excludes1

  • cor pulmonale without embolism (I27.81) I27.81

Excludes2

  • chronic pulmonary embolism (I27.82) I27.82
  • personal history of pulmonary embolism (Z86.711) Z86.711
  • pulmonary embolism complicating abortion, ectopic or molar pregnancy (O00-O07, O08.2) O00 O07 O08.2
  • pulmonary embolism complicating pregnancy, childbirth and the puerperium (O88.-) O88
  • pulmonary embolism due to trauma (T79.0, T79.1) T79.0 T79.1
  • pulmonary embolism due to complications of surgical and medical care (T80.0, T81.7-, T82.8-) T80.0 T81.7 T82.8
  • septic (non-pulmonary) arterial embolism (I76) I76

Notes that also apply

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

Index entries

  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein) → I26.99
  • Corpulmonaleacute → I26.09
  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein)with acute cor pulmonale → I26.09
  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein)septic → I26.90
  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein)saddle → I26.92
  • Embolism (multiple) (paradoxical)saddlepulmonary artery → I26.92
  • Saddleemboluspulmonary artery → I26.92
  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein)single subsegmental without acute cor pulmonale → I26.93
  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein)subsegmental NOS → I26.93
  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein)multiple subsegmental without acute cor pulmonale → I26.94
  • Embolism (multiple) (paradoxical)cementpulmonary artery → I26.95
  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein)cement → I26.95
  • Embolism (multiple) (paradoxical)fat (cerebral) (pulmonary) (systemic)pulmonary artery → I26.96
  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein)fat → I26.96
  • Embolism (multiple) (paradoxical)thromboticspecified NEC → I26.99
  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein)septicwith acute cor pulmonale → I26.01
  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein)saddlewith acute cor pulmonale → I26.02
  • Embolism (multiple) (paradoxical)saddlepulmonary arterywith acute cor pulmonale → I26.02
  • Saddleemboluspulmonary arterywith acute cor pulmonale → I26.02
  • Embolism (multiple) (paradoxical)cementpulmonary arterywith acute cor pulmonale → I26.03
  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein)cementwith acute cor pulmonale → I26.03
  • Embolism (multiple) (paradoxical)fat (cerebral) (pulmonary) (systemic)pulmonary arterywith acute cor pulmonale → I26.04
  • Embolism (multiple) (paradoxical)pulmonary (acute) (artery) (vein)fatwith acute cor pulmonale → I26.04
  • Embolism (multiple) (paradoxical)thromboticspecified NECwith acute cor pulmonale → I26.09
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)pulmonarywithcor pulmonale (chronic)acute → I26.09
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)pulmonarywithright heart ventricular strain/failureacute → I26.09

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

Hierarchy