ICD-10-PCS Code For Coronary Vein: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 02B4 includes procedures performed to remove a portion of the coronary vein. These ICD-10-PCS codes are used for inpatient documentation when an excision of coronary venous tissue is performed for diagnostic or therapeutic reasons. Accurate coding within the ICD-10-PCS 02B4 group is essential for proper inpatient reimbursement, as it captures the specific procedure performed and supports clinical documentation accuracy.

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Coronary Vein Excision Procedure Overview

Procedures in this group involve excision of a portion of the coronary vein and target the heart and great vessels. These operations remove part of the coronary venous structure for diagnostic or therapeutic reasons. Accurate coding of these excisions in the inpatient setting ensures the clinical action and anatomical site are captured for appropriate case mix and reimbursement.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
2	Body System	Heart and Great Vessels
B	Operation	Excision
4	Body Part	Coronary Vein

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ICD-10-PCS Code For Coronary Vein: Procedure Code Group Overview

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Coronary Vein Excision Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
2	Body System	Heart and Great Vessels
B	Operation	Excision
4	Body Part	Coronary Vein

When to Use

Use a code from this group when a portion of a coronary vein is surgically excised without replacement during an inpatient stay. These codes apply when the operative report describes excision as the primary root operation targeting the coronary vein.

ICD-10-PCS Codes

6 rows

ICD-10-PCS Code	Description
02B40ZX	Excision of Coronary Vein, Open Approach, Diagnostic
02B40ZZ	Excision of Coronary Vein, Open Approach
02B43ZX	Excision of Coronary Vein, Percutaneous Approach, Diagnostic
02B43ZZ	Excision of Coronary Vein, Percutaneous Approach
02B44ZX	Excision of Coronary Vein, Percutaneous Endoscopic Approach, Diagnostic
02B44ZZ	Excision of Coronary Vein, Percutaneous Endoscopic Approach

DRG Codes

2 rows

DRG Code	Description
228	Other Cardiothoracic Procedures with MCC
229	Other Cardiothoracic Procedures without MCC

Typical Clinical Scenarios

An elderly patient with progressive angina and evidence of coronary sinus thrombosis causing recurrent myocardial ischemia is admitted electively for surgical management after noninvasive imaging localizes a discrete thrombosed segment of a coronary vein. The operative plan is open excision of the diseased segment of the coronary vein to remove the thrombus-laden tissue and restore venous drainage pathways; no prosthetic or biologic replacement is used. Typical codes: 02B40ZX, 02B40ZZ
A middle-aged patient presents to the hospital with acute chest pain and hemodynamic instability after failed percutaneous attempts to access a coronary venous target for device lead placement; a percutaneous excision of a portion of the coronary vein is performed to remove damaged tissue and control ongoing bleeding during the same admission. The procedure is performed via a percutaneous approach in the inpatient setting to address the acute complication and stabilize the patient. Typical codes: 02B43ZX, 02B43ZZ
A younger patient with a history of prior complex cardiac procedures is scheduled for a minimally invasive, image-guided percutaneous endoscopic excision of a focal coronary vein lesion that is causing recurrent arrhythmia substrate identified on mapping studies. The planned inpatient procedure uses an endoscopic percutaneous approach to excise the small venous segment for diagnostic pathology and therapeutic arrhythmia control without replacing the excised tissue. Typical codes: 02B44ZX, 02B44ZZ

Related Codes

02B5-ATRIAL-SEPTUM-EXCISION

ICD-10-PCS Code For Atrial Septum: Procedure Code Group Overview

02B6-ATRIUM-RIGHT-EXCISION

ICD-10-PCS Code For Atrium, Right: Procedure Code Group Overview

02B7-LEFT-ATRIUM-EXCISION

ICD-10-PCS Code For Atrium Left: Procedure Code Group Overview

02B8-CONDUCTION-MECHANISM-EXCISION

ICD-10-PCS Code For Conduction Mechanism: Procedure Code Group Overview

02B9-CHORDAE-TENDINEAE-EXCISION

ICD-10-PCS Code For Chordae Tendineae: Procedure Code Group Overview

02BD-PAPILLARY-MUSCLE-EXCISION

ICD-10-PCS Code For Papillary Muscle: Procedure Code Group Overview

02BF-AORTIC-VALVE-EXCISION

ICD-10-PCS Code For Aortic Valve: Procedure Code Group Overview

02BG-MITRAL-VALVE-EXCISION

ICD-10-PCS Code For Mitral Valve: Procedure Code Group Overview

02BH-PULMONARY-VALVE-EXCISION

ICD-10-PCS Code For Pulmonary Valve: Procedure Code Group Overview

02BJ-TRICUSPID-VALVE-EXCISION

ICD-10-PCS Code For Tricuspid Valve: Procedure Code Group Overview

Showing 1–10 of 22

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-PCS Codes

6 rows

ICD-10-PCS Code	Description
02B40ZX	Excision of Coronary Vein, Open Approach, Diagnostic
02B40ZZ	Excision of Coronary Vein, Open Approach
02B43ZX	Excision of Coronary Vein, Percutaneous Approach, Diagnostic
02B43ZZ	Excision of Coronary Vein, Percutaneous Approach
02B44ZX	Excision of Coronary Vein, Percutaneous Endoscopic Approach, Diagnostic
02B44ZZ	Excision of Coronary Vein, Percutaneous Endoscopic Approach

DRG Codes

2 rows

DRG Code	Description
228	Other Cardiothoracic Procedures with MCC
229	Other Cardiothoracic Procedures without MCC

Typical Clinical Scenarios

An elderly patient with progressive angina and evidence of coronary sinus thrombosis causing recurrent myocardial ischemia is admitted electively for surgical management after noninvasive imaging localizes a discrete thrombosed segment of a coronary vein. The operative plan is open excision of the diseased segment of the coronary vein to remove the thrombus-laden tissue and restore venous drainage pathways; no prosthetic or biologic replacement is used. Typical codes: 02B40ZX, 02B40ZZ
A middle-aged patient presents to the hospital with acute chest pain and hemodynamic instability after failed percutaneous attempts to access a coronary venous target for device lead placement; a percutaneous excision of a portion of the coronary vein is performed to remove damaged tissue and control ongoing bleeding during the same admission. The procedure is performed via a percutaneous approach in the inpatient setting to address the acute complication and stabilize the patient. Typical codes: 02B43ZX, 02B43ZZ
A younger patient with a history of prior complex cardiac procedures is scheduled for a minimally invasive, image-guided percutaneous endoscopic excision of a focal coronary vein lesion that is causing recurrent arrhythmia substrate identified on mapping studies. The planned inpatient procedure uses an endoscopic percutaneous approach to excise the small venous segment for diagnostic pathology and therapeutic arrhythmia control without replacing the excised tissue. Typical codes: 02B44ZX, 02B44ZZ

Related Codes

02B5-ATRIAL-SEPTUM-EXCISION

ICD-10-PCS Code For Atrial Septum: Procedure Code Group Overview

02B6-ATRIUM-RIGHT-EXCISION

ICD-10-PCS Code For Atrium, Right: Procedure Code Group Overview

02B7-LEFT-ATRIUM-EXCISION

ICD-10-PCS Code For Atrium Left: Procedure Code Group Overview

02B8-CONDUCTION-MECHANISM-EXCISION

ICD-10-PCS Code For Conduction Mechanism: Procedure Code Group Overview

02B9-CHORDAE-TENDINEAE-EXCISION

ICD-10-PCS Code For Chordae Tendineae: Procedure Code Group Overview

02BD-PAPILLARY-MUSCLE-EXCISION

ICD-10-PCS Code For Papillary Muscle: Procedure Code Group Overview

02BF-AORTIC-VALVE-EXCISION

ICD-10-PCS Code For Aortic Valve: Procedure Code Group Overview

02BG-MITRAL-VALVE-EXCISION

ICD-10-PCS Code For Mitral Valve: Procedure Code Group Overview

02BH-PULMONARY-VALVE-EXCISION

ICD-10-PCS Code For Pulmonary Valve: Procedure Code Group Overview

02BJ-TRICUSPID-VALVE-EXCISION

ICD-10-PCS Code For Tricuspid Valve: Procedure Code Group Overview

Showing 1–10 of 22

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-PCS Code For Coronary Vein: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Coronary Vein: Procedure Code Group Overview policy alerts

Coronary Vein Excision Procedure Overview

Code Attributes

ICD-10-PCS Code For Coronary Vein: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Coronary Vein: Procedure Code Group Overview policy alerts

Coronary Vein Excision Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in ICD-10-PCS code group 02B4?

What are the key code attributes for the 02B4 group?

How do approach qualifiers differ among codes in this group?

When should a diagnostic qualifier be used within these codes?

How does accurate coding of 02B4 group procedures affect inpatient reimbursement?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in ICD-10-PCS code group 02B4?

What are the key code attributes for the 02B4 group?

How do approach qualifiers differ among codes in this group?

When should a diagnostic qualifier be used within these codes?

How does accurate coding of 02B4 group procedures affect inpatient reimbursement?

References