2026 ICD-10-CM Diagnosis Code I26Pulmonary embolism

ICD-10-CM CodesI00–I99I26-I28I26

ICD-10-CM I26
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

I26 is a non-billable ICD-10-CM category code for pulmonary embolism, so it cannot be submitted on claims. Use a more specific code from this category instead, such as I26.01, I26.02, I26.03, and I26.04.

Code Identity

ICD-10-CM Code
I26
Billable Status
No — Non-Billable Category
Code Describes
Pulmonary embolism
Chapter
I26-I28
Pulmonary heart disease and diseases of pulmonary circulation

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI26-I28Pulmonary heart disease and diseases of pulmonary circulation
CategoryI26Pulmonary embolism
This CodeI26Pulmonary embolism

Specific Coding for Pulmonary embolismOverview

Non-specific codes like I26 require more characters. Use one of these billable codes instead:

  • I26.0 for Pulmonary embolism with acute cor pulmonale

  • Use I26.01 for Septic pulmonary embolism with acute cor pulmonale

  • Use I26.02 for Saddle embolus of pulmonary artery with acute cor pulmonale

  • Use I26.03 for Cement embolism of pulmonary artery with acute cor pulmonale

  • Use I26.04 for Fat embolism of pulmonary artery with acute cor pulmonale

  • Use I26.09 for Other pulmonary embolism with acute cor pulmonale

  • I26.9 for Pulmonary embolism without acute cor pulmonale

  • Use I26.90 for Septic pulmonary embolism without acute cor pulmonale

  • Use I26.92 for Saddle embolus of pulmonary artery without acute cor pulmonale

  • Use I26.93 for Single subsegmental thrombotic pulmonary embolism without acute cor pulmonale

  • Use I26.94 for Multiple subsegmental thrombotic pulmonary emboli without acute cor pulmonale

  • Use I26.95 for Cement embolism of pulmonary artery without acute cor pulmonale

  • Use I26.96 for Fat embolism of pulmonary artery without acute cor pulmonale

  • Use I26.99 for Other pulmonary embolism without acute cor pulmonale

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

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

Type 1 Excludes

  • cor pulmonale without embolism I27.81

Type 2 Excludes

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

Clinical InformationClinical

  • Pulmonary Embolism

    blocking of the pulmonary artery or one of its branches by an embolus.

Patient EducationClinical

Pulmonary Embolism

A pulmonary embolism (PE) is a sudden blockage in a lung artery. It usually happens when a blood clot breaks loose and travels through the bloodstream to the lungs. PE is a serious condition that can cause:

The full article covers:

  • What is a pulmonary embolism (PE)?
  • What causes a pulmonary embolism (PE)?
  • Who is more likely to develop a pulmonary embolism (PE)?
  • What are the symptoms of a pulmonary embolism (PE)?
  • How is a pulmonary embolism (PE) diagnosed?
  • What are the treatments for a pulmonary embolism (PE)?
  • Can pulmonary embolism (PE) be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About I26Overview

Is I26 (Pulmonary embolism) a billable code?

No. This is a category header that groups the codes for pulmonary embolism, and headers cannot be submitted on claims. Claims for pulmonary embolism need a more specific code from this category, such as I26.01, I26.02, and I26.03.