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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 0255 includes procedures performed to destroy all or a portion of tissue in the atrial septum. These ICD-10-PCS codes are used for inpatient documentation when a clinician intentionally eradicates atrial septal tissue using energy, force, or a destructive agent to treat arrhythmia substrates or structural defects. Accurate coding within the ICD-10-PCS 0255 group is essential for proper inpatient reimbursement, as it captures the destructive procedure performed and determines appropriate case mix and payment.

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Atrial Septum Destruction Procedure Overview

This group includes procedures that destroy all or part of the atrial septum within the heart and great vessels body system. These procedures use energy, force, or destructive agents directed at cardiac tissue to eliminate targeted septal tissue. Accurate ICD-10-PCS coding ensures inpatient documentation reflects the specific destructive procedure performed and supports correct case mix assignment and reimbursement.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
2	Body System	Heart and Great Vessels
5	Operation	Destruction
5	Body Part	Atrial Septum

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

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Atrial Septum Destruction Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
2	Body System	Heart and Great Vessels
5	Operation	Destruction
5	Body Part	Atrial Septum

When to Use

Use a code from this group when the documented procedure describes intentional destruction of atrial septal tissue rather than removal or repair. Assign these codes when the operative report specifies the use of energy, force, or a destructive agent to eradicate part or all of the atrial septum.

ICD-10-PCS Codes

3 rows

ICD-10-PCS Code	Description
02550ZZ	Destruction of Atrial Septum, Open Approach
02553ZZ	Destruction of Atrial Septum, Percutaneous Approach
02554ZZ	Destruction of Atrial Septum, Percutaneous Endoscopic Approach

DRG Codes

8 rows

DRG Code	Description
212	Concomitant Aortic and Mitral Valve Procedures
228	Other Cardiothoracic Procedures with MCC
229	Other Cardiothoracic Procedures without MCC
233	Coronary Bypass with Cardiac Catheterization or Open Ablation with MCC
234	Coronary Bypass with Cardiac Catheterization or Open Ablation without MCC
273	Percutaneous and Other Intracardiac Procedures with MCC
274	Percutaneous and Other Intracardiac Procedures without MCC
317	Concomitant Left Atrial Appendage Closure and Cardiac Ablation

Typical Clinical Scenarios

A 68-year-old patient with long-standing atrial fibrillation refractory to medical therapy and prior catheter ablations presents electively for a planned open surgical substrate modification during concomitant cardiac surgery (for example, valve repair). Because the surgeon intentionally obliterates targeted atrial septal tissue to interrupt reentrant circuits as part of the operative plan and the procedure is performed via an open chest approach, a destruction code for the atrial septum is used. Typical codes: 02550ZZ
A 55-year-old patient with symptomatic atrial tachycardia originating from the interatrial septum is admitted for a percutaneous catheter ablation under fluoroscopic and electroanatomic guidance. The electrophysiologist uses transvenous catheters to deliver energy directly to septal tissue percutaneously to destroy the arrhythmogenic focus, making a percutaneous destruction code appropriate. Typical codes: 02553ZZ
A 42-year-old patient returns to the operating room for treatment of residual septal arrhythmogenic tissue after prior transcatheter ablation; the team uses percutaneous endoscopic visualization to target and directly destroy remaining atrial septal tissue under direct endoscopic guidance. Because the destructive procedure is performed percutaneously with endoscopic assistance to eradicate septal tissue, assign the percutaneous endoscopic destruction code. Typical codes: 02554ZZ

Related Codes

0254-CORONARY-VEIN-DESTRUCTION

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

0256-ATRIUM-RIGHT-DESTRUCTION

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

0257-LEFT-ATRIUM-ERADICATION-LEFT-ATRIUM-DESTRUCTION

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

0258-CONDUCTION-MECHANISM-DESTRUCTION

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

0259-CHORDAE-TENDINEAE-DESTRUCTION

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

025D-PAPILLARY-MUSCLE-DESTRUCTION

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

025F-AORTIC-VALVE-DESTRUCTION

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

025G-MITRAL-VALVE-DESTRUCTION

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

025H-PULMONARY-VALVE-DESTRUCTION

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

025J-TRICUSPID-VALVE-DESTRUCTION

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

3 rows

ICD-10-PCS Code	Description
02550ZZ	Destruction of Atrial Septum, Open Approach
02553ZZ	Destruction of Atrial Septum, Percutaneous Approach
02554ZZ	Destruction of Atrial Septum, Percutaneous Endoscopic Approach

DRG Codes

8 rows

DRG Code	Description
212	Concomitant Aortic and Mitral Valve Procedures
228	Other Cardiothoracic Procedures with MCC
229	Other Cardiothoracic Procedures without MCC
233	Coronary Bypass with Cardiac Catheterization or Open Ablation with MCC
234	Coronary Bypass with Cardiac Catheterization or Open Ablation without MCC
273	Percutaneous and Other Intracardiac Procedures with MCC
274	Percutaneous and Other Intracardiac Procedures without MCC
317	Concomitant Left Atrial Appendage Closure and Cardiac Ablation

Typical Clinical Scenarios

A 68-year-old patient with long-standing atrial fibrillation refractory to medical therapy and prior catheter ablations presents electively for a planned open surgical substrate modification during concomitant cardiac surgery (for example, valve repair). Because the surgeon intentionally obliterates targeted atrial septal tissue to interrupt reentrant circuits as part of the operative plan and the procedure is performed via an open chest approach, a destruction code for the atrial septum is used. Typical codes: 02550ZZ
A 55-year-old patient with symptomatic atrial tachycardia originating from the interatrial septum is admitted for a percutaneous catheter ablation under fluoroscopic and electroanatomic guidance. The electrophysiologist uses transvenous catheters to deliver energy directly to septal tissue percutaneously to destroy the arrhythmogenic focus, making a percutaneous destruction code appropriate. Typical codes: 02553ZZ
A 42-year-old patient returns to the operating room for treatment of residual septal arrhythmogenic tissue after prior transcatheter ablation; the team uses percutaneous endoscopic visualization to target and directly destroy remaining atrial septal tissue under direct endoscopic guidance. Because the destructive procedure is performed percutaneously with endoscopic assistance to eradicate septal tissue, assign the percutaneous endoscopic destruction code. Typical codes: 02554ZZ

Related Codes

0254-CORONARY-VEIN-DESTRUCTION

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

0256-ATRIUM-RIGHT-DESTRUCTION

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

0257-LEFT-ATRIUM-ERADICATION-LEFT-ATRIUM-DESTRUCTION

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

0258-CONDUCTION-MECHANISM-DESTRUCTION

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

0259-CHORDAE-TENDINEAE-DESTRUCTION

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

025D-PAPILLARY-MUSCLE-DESTRUCTION

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

025F-AORTIC-VALVE-DESTRUCTION

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

025G-MITRAL-VALVE-DESTRUCTION

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

025H-PULMONARY-VALVE-DESTRUCTION

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

025J-TRICUSPID-VALVE-DESTRUCTION

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 Atrial Septum: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Atrial Septum: Procedure Code Group Overview policy alerts

Atrial Septum Destruction Procedure Overview

Code Attributes

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

Sign up for ICD-10-PCS Code For Atrial Septum: Procedure Code Group Overview policy alerts

Atrial Septum Destruction Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which body system and operation does ICD-10-PCS code group 0255 describe?

What specific body part is targeted by codes in the 0255 group?

Which specific ICD-10-PCS codes are included in the 0255 group and what approaches do they represent?

Why is accurate coding within ICD-10-PCS group 0255 important for inpatient care?

Which DRG categories are related to procedures in the atrial septum destruction group?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which body system and operation does ICD-10-PCS code group 0255 describe?

What specific body part is targeted by codes in the 0255 group?

Which specific ICD-10-PCS codes are included in the 0255 group and what approaches do they represent?

Why is accurate coding within ICD-10-PCS group 0255 important for inpatient care?

Which DRG categories are related to procedures in the atrial septum destruction group?

References