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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 02B8 includes procedures performed to excise portions of the conduction mechanism in the heart and great vessels. These ICD-10-PCS codes are used for inpatient documentation when a portion of the cardiac conduction tissue is surgically removed without replacement. Accurate coding within the ICD-10-PCS 02B8 group is essential for proper inpatient reimbursement, as it captures the specific procedure performed and supports clinical documentation accuracy.

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Conduction Mechanism Excision Procedure Overview

This procedure group involves excision (cutting out or off, without replacement) of portions of the heart and great vessels' conduction mechanism. These procedures target the cardiac conduction tissues that regulate heartbeat and are coded in the Medical and Surgical section of ICD-10-PCS. Accurate coding of conduction mechanism excisions ensures the inpatient record reflects the precise operation performed and supports appropriate case mix classification 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
8	Body Part	Conduction Mechanism

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

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Conduction Mechanism 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
8	Body Part	Conduction Mechanism

When to Use

Use a code from this group when a surgeon cuts out or off a portion of the cardiac conduction mechanism and does not implant a replacement device or graft. These codes apply when the primary intent of the inpatient procedure is excision of conduction tissue rather than repair, destruction, or insertion.

ICD-10-PCS Codes

6 rows

ICD-10-PCS Code	Description
02B80ZX	Excision of Conduction Mechanism, Open Approach, Diagnostic
02B80ZZ	Excision of Conduction Mechanism, Open Approach
02B83ZX	Excision of Conduction Mechanism, Percutaneous Approach, Diagnostic
02B83ZZ	Excision of Conduction Mechanism, Percutaneous Approach
02B84ZX	Excision of Conduction Mechanism, Percutaneous Endoscopic Approach, Diagnostic
02B84ZZ	Excision of Conduction Mechanism, Percutaneous Endoscopic Approach

DRG Codes

4 rows

DRG Code	Description
228	Other Cardiothoracic Procedures with MCC
229	Other Cardiothoracic Procedures without MCC
273	Percutaneous and Other Intracardiac Procedures with MCC
274	Percutaneous and Other Intracardiac Procedures without MCC

Typical Clinical Scenarios

An elderly patient with symptomatic, medication-refractory supraventricular tachycardia is admitted for a planned surgical excision of a small focus of diseased atrioventricular nodal conduction tissue after unsuccessful catheter ablation attempts; the surgeon performs an open excision of the identified conduction tissue to eliminate the arrhythmogenic substrate during the inpatient stay. Typical codes: 02B80ZX, 02B80ZZ
A middle-aged patient presents emergently with life‑threatening ventricular tachyarrhythmia originating from an accessible conduction pathway; after stabilization, the team performs a percutaneous excision of the offending conduction tissue to control recurrent arrhythmia when other percutaneous destructive options are not feasible. Typical codes: 02B83ZX, 02B83ZZ
A patient admitted electively after prior percutaneous ablation has persistent symptomatic conduction tissue remnants; during a minimally invasive endoscopic procedure the surgeon excises the residual conduction tissue to resolve ongoing arrhythmia and avoid implantation of replacement hardware. Typical codes: 02B84ZX, 02B84ZZ

Related Codes

02B4-CORONARY-VEIN-EXCISION

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

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

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
02B80ZX	Excision of Conduction Mechanism, Open Approach, Diagnostic
02B80ZZ	Excision of Conduction Mechanism, Open Approach
02B83ZX	Excision of Conduction Mechanism, Percutaneous Approach, Diagnostic
02B83ZZ	Excision of Conduction Mechanism, Percutaneous Approach
02B84ZX	Excision of Conduction Mechanism, Percutaneous Endoscopic Approach, Diagnostic
02B84ZZ	Excision of Conduction Mechanism, Percutaneous Endoscopic Approach

DRG Codes

4 rows

DRG Code	Description
228	Other Cardiothoracic Procedures with MCC
229	Other Cardiothoracic Procedures without MCC
273	Percutaneous and Other Intracardiac Procedures with MCC
274	Percutaneous and Other Intracardiac Procedures without MCC

Typical Clinical Scenarios

An elderly patient with symptomatic, medication-refractory supraventricular tachycardia is admitted for a planned surgical excision of a small focus of diseased atrioventricular nodal conduction tissue after unsuccessful catheter ablation attempts; the surgeon performs an open excision of the identified conduction tissue to eliminate the arrhythmogenic substrate during the inpatient stay. Typical codes: 02B80ZX, 02B80ZZ
A middle-aged patient presents emergently with life‑threatening ventricular tachyarrhythmia originating from an accessible conduction pathway; after stabilization, the team performs a percutaneous excision of the offending conduction tissue to control recurrent arrhythmia when other percutaneous destructive options are not feasible. Typical codes: 02B83ZX, 02B83ZZ
A patient admitted electively after prior percutaneous ablation has persistent symptomatic conduction tissue remnants; during a minimally invasive endoscopic procedure the surgeon excises the residual conduction tissue to resolve ongoing arrhythmia and avoid implantation of replacement hardware. Typical codes: 02B84ZX, 02B84ZZ

Related Codes

02B4-CORONARY-VEIN-EXCISION

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

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

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 Conduction Mechanism: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Conduction Mechanism: Procedure Code Group Overview policy alerts

Conduction Mechanism Excision Procedure Overview

Code Attributes

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

Sign up for ICD-10-PCS Code For Conduction Mechanism: Procedure Code Group Overview policy alerts

Conduction Mechanism Excision Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the ICD-10-PCS 02B8 code group?

What is the Section and Body System for ICD-10-PCS 02B8 codes?

How do the 02B8 codes relate to inpatient reimbursement and documentation?

What approaches are represented by the individual codes in this group?

Which related DRGs may be assigned when a conduction mechanism excision is coded?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the ICD-10-PCS 02B8 code group?

What is the Section and Body System for ICD-10-PCS 02B8 codes?

How do the 02B8 codes relate to inpatient reimbursement and documentation?

What approaches are represented by the individual codes in this group?

Which related DRGs may be assigned when a conduction mechanism excision is coded?

References