I26.09

Billable

ChapterI00–I99

Ranksubcategory

Official Description

Other pulmonary embolism with acute cor pulmonale

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 9: Diseases of the Circulatory System (I00-I99).

Instructional Notes

Includes

Acute cor pulmonale NOS
Other thrombotic pulmonary embolism with acute cor pulmonale

General instructions are available for the parent sections:

View CH9 Notes View I26 Notes

Clinical Hierarchy

CH9Diseases of the circulatory system (I00-I99)

I26-I28Pulmonary heart disease and diseases of pulmonary circulation (I26-I28)

I26Pulmonary embolism

I26.0Pulmonary embolism with acute cor pulmonale

I26.09Other pulmonary embolism with acute cor pulmonale

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I26.09:

categoryI26

Pulmonary embolism

View context instructions

chapterCH9

Diseases of the circulatory system (I00-I99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to I26.09. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

5 raw paths

Cor1 unique routes

pulmonale

acute→I26.09

Embolism (multiple) (paradoxical)2 unique routes

pulmonary (acute) (artery) (vein)

with acute cor pulmonale→I26.09

thrombotic

specified NEC

with acute cor pulmonale→I26.09

Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)2 unique routes

pulmonary(2 variants)

with(2 variants)

cor pulmonale (chronic)

acute→I26.09

right heart ventricular strain/failure

acute→I26.09

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 173

Ultrasound Accelerated and Other Thrombolysis with Principal Diagnosis Pulmonary Embolism

DRG 175

Pulmonary Embolism with MCC or Acute Cor Pulmonale

DRG 176

Pulmonary Embolism without MCC

DRG 791

Prematurity with Major Problems

DRG 793

Full Term Neonate with Major Problems

Cross Reference

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