I26 – Pulmonary embolism

ICD-10-CM 2027 diagnosis code · Pulmonary heart disease and diseases of pulmonary circulation

Non-billable header

ICD-10-CM code I26

Code: I26 (claims format: I26)
Description: Pulmonary embolism
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 9. Diseases of the circulatory system (I00-I99)
Block: I26-I28 Pulmonary heart disease and diseases of pulmonary circulation

Billable codes under I26

I26 is a header code and cannot be used on claims. Choose the most specific code:

I26.0 – Pulmonary embolism with acute cor pulmonaleHeader (more codes below)
I26.9 – Pulmonary embolism without acute cor pulmonaleHeader (more codes below)

Notes for I26

Includes:

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

Excludes1 (not coded here):

cor pulmonale without embolism (I27.81)

Excludes2 (not included here):

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)

Frequently asked questions

What is ICD-10 code I26?

I26 is the ICD-10-CM code for pulmonary embolism, in the block I26-I28 (Pulmonary heart disease and diseases of pulmonary circulation).

Is I26 a billable code?

No. I26 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.