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 0289 includes procedures performed to divide chordae tendineae in the heart and great vessels. These ICD-10-PCS codes are used for inpatient documentation when a surgical transection or separation of chordae tendineae is performed as part of cardiac valve repair or related procedures. Accurate coding within the ICD-10-PCS 0289 group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

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Chordae Tendineae Division Procedure Overview

Procedures in this group involve the division of chordae tendineae within the heart and great vessels and are coded in the Medical and Surgical section of the International Classification of Diseases, Tenth Revision, Procedure Coding System. These operations transect or separate chordae tendineae without draining fluids or gases and are used during cardiac surgeries to address mitral or tricuspid valve function. Accurate coding of these procedures is important for inpatient reimbursement because it captures the specific surgical action and targeted cardiac structure, supporting 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
8	Operation	Division
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 Division Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
2	Body System	Heart and Great Vessels
8	Operation	Division
9	Body Part	Chordae Tendineae

When to Use

Use a code from this group when chordae tendineae are intentionally divided during cardiac surgery, such as during mitral or tricuspid valve procedures. Do not use these codes for drainage procedures or for operations that alter chordae tendineae by means other than division.

ICD-10-PCS Codes

3 rows

ICD-10-PCS Code	Description
02890ZZ	Division of Chordae Tendineae, Open Approach
02893ZZ	Division of Chordae Tendineae, Percutaneous Approach
02894ZZ	Division of Chordae Tendineae, 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 chronic degenerative mitral regurgitation undergoing an elective mitral valve repair presents for planned open-heart surgery to correct prolapse of the posterior leaflet; during the open repair the surgeon intentionally transects restrictive or ruptured chordae tendineae to resect and reshape the leaflet and restore valve competence. Typical codes: 02890ZZ
A middle-aged patient admitted urgently after acute papillary muscle rupture from an anterior myocardial infarction develops severe acute mitral regurgitation with pulmonary edema; during the emergent surgical repair of the mitral valve to stabilize hemodynamics, the operative team divides torn chordae tendineae that are obstructing leaflet coaptation. Typical codes: 02890ZZ
A patient with recurrent tricuspid valve dysfunction after prior repair returns for a reoperative, minimally invasive endoscopic procedure to address residual tethering of valve leaflets; the surgeon performs targeted percutaneous endoscopic division of chordae tendineae to relieve leaflet restriction as part of the revision. Typical codes: 02894ZZ

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

028D-PAPILLARY-MUSCLE-DIVISION

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

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
02890ZZ	Division of Chordae Tendineae, Open Approach
02893ZZ	Division of Chordae Tendineae, Percutaneous Approach
02894ZZ	Division of Chordae Tendineae, 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 chronic degenerative mitral regurgitation undergoing an elective mitral valve repair presents for planned open-heart surgery to correct prolapse of the posterior leaflet; during the open repair the surgeon intentionally transects restrictive or ruptured chordae tendineae to resect and reshape the leaflet and restore valve competence. Typical codes: 02890ZZ
A middle-aged patient admitted urgently after acute papillary muscle rupture from an anterior myocardial infarction develops severe acute mitral regurgitation with pulmonary edema; during the emergent surgical repair of the mitral valve to stabilize hemodynamics, the operative team divides torn chordae tendineae that are obstructing leaflet coaptation. Typical codes: 02890ZZ
A patient with recurrent tricuspid valve dysfunction after prior repair returns for a reoperative, minimally invasive endoscopic procedure to address residual tethering of valve leaflets; the surgeon performs targeted percutaneous endoscopic division of chordae tendineae to relieve leaflet restriction as part of the revision. Typical codes: 02894ZZ

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

028D-PAPILLARY-MUSCLE-DIVISION

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

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

OpenPayer

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

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Chordae Tendineae Division Procedure Overview

Code Attributes

OpenPayer

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

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Chordae Tendineae Division Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

References

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 Division 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 Division 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 0289?

What are the specific ICD-10-PCS codes in this group and their approaches?

Under which ICD-10-PCS section and body system are these codes classified?

Why is accurate coding within the 0289 group important for inpatient reimbursement?

Which DRGs are related to procedures in the 0289 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 0289?

What are the specific ICD-10-PCS codes in this group and their approaches?

Under which ICD-10-PCS section and body system are these codes classified?

Why is accurate coding within the 0289 group important for inpatient reimbursement?

Which DRGs are related to procedures in the 0289 code group?

References