I26.09 is the authoritative medical code for Other pulmonary embolism with acute cor pulmonale. This classification is used in medical billing and clinical recording to specify the clinical criteria for other pulmonary embolism with acute cor pulmonale (ICD-10-CM I26.09), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Other pulmonary embolism with acute cor pulmonale is a billable ICD-10-CM diagnosis code I26.09. Includes: pulmonary acute arteryvein infarction; pulmonary acute arteryvein thromboembolism; pulmonary acute arteryvein thrombosis. Inclusion terms: Acute cor pulmonale NOS; Other thrombotic pulmonary embolism with acute cor pulmonale. 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.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for I26.09 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- pulmonary acute arteryvein infarction
- pulmonary acute arteryvein thromboembolism
- pulmonary acute arteryvein thrombosis
Inclusion Terms
Alternative terms the tabular list files under this code.
- Acute cor pulmonale NOS
- Other thrombotic pulmonary embolism with acute cor pulmonale
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- cor pulmonale without embolism I27.81
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- 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 (FAQ) & Clinical Guidance
What can't be coded together with I26.09?
Per Excludes1 instructions, I26.09 must not be reported with: cor pulmonale without embolism (I27.81).
Can I26.09 be reported alongside related conditions?
Per Excludes2 instructions, I26.09 and the following may both be reported when both are present: 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.-).
What conditions are included under I26.09?
Other pulmonary embolism with acute cor pulmonale includes: Acute cor pulmonale NOS; Other thrombotic pulmonary embolism with acute cor pulmonale.
Codes in This Family (14)
Official ICD-10-CM classifications in the same code family as I26.09, with their registry titles.
- I26 — Pulmonary embolism
- I26.0 — Pulmonary embolism with acute cor pulmonale
- I26.01 — Septic pulmonary embolism with acute cor pulmonale
- I26.02 — Saddle embolus of pulmonary artery with acute cor pulmonale
- I26.03 — Cement embolism of pulmonary artery with acute cor pulmonale
- I26.04 — Fat embolism of pulmonary artery with acute cor pulmonale
- I26.9 — Pulmonary embolism without acute cor pulmonale
- I26.90 — Septic pulmonary embolism without acute cor pulmonale
- I26.92 — Saddle embolus of pulmonary artery without acute cor pulmonale
- I26.93 — Single subsegmental thrombotic pulmonary embolism without acute cor pulmonale
- I26.94 — Multiple subsegmental thrombotic pulmonary emboli without acute cor pulmonale
- I26.95 — Cement embolism of pulmonary artery without acute cor pulmonale
- I26.96 — Fat embolism of pulmonary artery without acute cor pulmonale
- I26.99 — Other pulmonary embolism without acute cor pulmonale
Indexed Clinical Terms (5)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Cor, pulmonale, acute
- Embolism (multiple) (paradoxical), pulmonary (acute) (artery) (vein), with acute cor pulmonale
- Embolism (multiple) (paradoxical), thrombotic, specified NEC, with acute cor pulmonale
- Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic), pulmonary, with, cor pulmonale (chronic), acute
- Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic), pulmonary, with, right heart ventricular strain/failure, acute
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code I21.09
ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall