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I26

⚠ Non-billable (Header)

Pulmonary embolism

Diseases of the circulatory system (I00-I99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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ℹ️ Includes

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

❌ Excludes1

direct

These codes are mutually exclusive. Never code them together.

  • • cor pulmonale without embolism (I27.81)

⚠️ Excludes2

direct

Both codes can exist if both conditions are documented.

  • • 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)

Child Codes (2)

I26.0Pulmonary embolism with acute cor pulmonaleI26.9Pulmonary embolism without acute cor pulmonale

Clinical Description

ICD-10-CM code I26 represents pulmonary embolism. This code falls under the Diseases of the circulatory system (I00-I99) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.

Frequently Asked Questions

What is ICD-10 code I26?

ICD-10-CM code I26 is "Pulmonary embolism". It belongs to the category: Diseases of the circulatory system (I00-I99).

Is I26 a billable ICD-10 code?

No, I26 is a non-billable header code. A more specific child code must be used for billing.

What codes are excluded with I26?

I26 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Can I26 be coded with other codes?

I26 has 7 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

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Code Information

CodeI26
BillableNo — Header code
CategoryDiseases of the circulatory system (I00-I99)
Excludes11 rule(s)
Excludes27 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)