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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 02B9 includes procedures performed to excise portions of the chordae tendineae in the heart and great vessels. These ICD-10-PCS codes are used for inpatient documentation when a portion of the chordae tendineae is surgically removed without replacement due to disease, damage, or dysfunction. Accurate coding within the ICD-10-PCS 02B9 group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Chordae Tendineae Excision Procedure Overview

The procedures in ICD-10 PCS 02B9 involve excision of portions of the chordae tendineae within the heart and great vessels. These operations target the heart and great vessels body system and consist of cutting out or off a portion of the chordae tendineae without replacement. Accurate coding is important for inpatient reimbursement because it captures the specific excision performed and supports correct case mix assignment and payment.

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
9	Body Part	Chordae Tendineae

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

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Chordae Tendineae 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
9	Body Part	Chordae Tendineae

When to Use

Use a code from this group when a surgeon surgically removes part of the chordae tendineae and no replacement (such as a graft or prosthesis) is implanted. Typical clinical scenarios include removal of diseased, torn, or obstructive chordal tissue discovered during cardiac surgery.

ICD-10-PCS Codes

6 rows

ICD-10-PCS Code	Description
02B90ZX	Excision of Chordae Tendineae, Open Approach, Diagnostic
02B90ZZ	Excision of Chordae Tendineae, Open Approach
02B93ZX	Excision of Chordae Tendineae, Percutaneous Approach, Diagnostic
02B93ZZ	Excision of Chordae Tendineae, Percutaneous Approach
02B94ZX	Excision of Chordae Tendineae, Percutaneous Endoscopic Approach, Diagnostic
02B94ZZ	Excision of Chordae Tendineae, 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

A 62-year-old patient presents with acute-onset severe mitral regurgitation discovered intraoperatively during planned mitral valve repair for degenerative leaflet prolapse. The surgeon identifies torn, obstructive chordae tendineae and excises the damaged portions through the sternotomy exposure without placing any replacement material before completing the valve repair. The excision is performed via an open approach to remove the nonviable chordal tissue and improve leaflet coaptation. Typical codes: 02B90ZZ
A 48-year-old patient is taken urgently to the catheterization lab for transcatheter mitral valve intervention after presenting with acute heart failure and echocardiography demonstrating chordal rupture with flail leaflet. During the percutaneous procedure, the interventional team removes a portion of the ruptured chordae that is impeding device deployment using a percutaneous approach without implanting a graft or prosthesis. The excision of the offending chordal fragment is performed to allow stabilization of the valve repair. Typical codes: 02B93ZZ
A 70-year-old patient with prior minimally invasive mitral surgery develops progressive symptomatic mitral regurgitation months later due to residual fibrotic chordal tissue causing restricted leaflet motion. During a repeat minimally invasive endoscopic procedure, the surgeon excises the pathologic portion of the chordae tendineae endoscopically without placing any replacement. The targeted percutaneous endoscopic excision addresses the mechanical obstruction contributing to recurrent valve dysfunction. Typical codes: 02B94ZZ

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

02B8-CONDUCTION-MECHANISM-EXCISION

ICD-10-PCS Code For Conduction Mechanism: 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
02B90ZX	Excision of Chordae Tendineae, Open Approach, Diagnostic
02B90ZZ	Excision of Chordae Tendineae, Open Approach
02B93ZX	Excision of Chordae Tendineae, Percutaneous Approach, Diagnostic
02B93ZZ	Excision of Chordae Tendineae, Percutaneous Approach
02B94ZX	Excision of Chordae Tendineae, Percutaneous Endoscopic Approach, Diagnostic
02B94ZZ	Excision of Chordae Tendineae, 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

A 62-year-old patient presents with acute-onset severe mitral regurgitation discovered intraoperatively during planned mitral valve repair for degenerative leaflet prolapse. The surgeon identifies torn, obstructive chordae tendineae and excises the damaged portions through the sternotomy exposure without placing any replacement material before completing the valve repair. The excision is performed via an open approach to remove the nonviable chordal tissue and improve leaflet coaptation. Typical codes: 02B90ZZ
A 48-year-old patient is taken urgently to the catheterization lab for transcatheter mitral valve intervention after presenting with acute heart failure and echocardiography demonstrating chordal rupture with flail leaflet. During the percutaneous procedure, the interventional team removes a portion of the ruptured chordae that is impeding device deployment using a percutaneous approach without implanting a graft or prosthesis. The excision of the offending chordal fragment is performed to allow stabilization of the valve repair. Typical codes: 02B93ZZ
A 70-year-old patient with prior minimally invasive mitral surgery develops progressive symptomatic mitral regurgitation months later due to residual fibrotic chordal tissue causing restricted leaflet motion. During a repeat minimally invasive endoscopic procedure, the surgeon excises the pathologic portion of the chordae tendineae endoscopically without placing any replacement. The targeted percutaneous endoscopic excision addresses the mechanical obstruction contributing to recurrent valve dysfunction. Typical codes: 02B94ZZ

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

02B8-CONDUCTION-MECHANISM-EXCISION

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

Sign up for ICD-10-PCS Code For Chordae Tendineae: Procedure Code Group Overview policy alerts

Chordae Tendineae Excision Procedure Overview

Code Attributes

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

Sign up for ICD-10-PCS Code For Chordae Tendineae: Procedure Code Group Overview policy alerts

Chordae Tendineae 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 02B9?

What is the clinical intent captured by procedures in 02B9?

Which ICD-10-PCS section and operation are represented by 02B9 codes?

How do 02B9 codes affect inpatient payment grouping?

Which DRGs are related to procedures in the 02B9 code group?

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 02B9?

What is the clinical intent captured by procedures in 02B9?

Which ICD-10-PCS section and operation are represented by 02B9 codes?

How do 02B9 codes affect inpatient payment grouping?

Which DRGs are related to procedures in the 02B9 code group?

References