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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 0217 includes procedures performed to bypass structures in the left atrium. These ICD-10-PCS codes are used for inpatient documentation when an alternate route for blood flow within the left atrium or adjacent great vessels is created to circumvent obstruction or nonfunctional tissue. Accurate coding within the ICD-10-PCS 0217 group is essential for proper inpatient reimbursement, as it captures the specific bypass procedure performed and supports clinical documentation accuracy.

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Left Atrium Bypass Procedure Overview

This procedure group includes inpatient bypass operations performed on the left atrium and related structures of the heart and great vessels. These procedures alter the route of passage of blood within the heart by creating an alternate channel or conduit around an obstruction or nonfunctional segment. They target the heart and great vessels body system, and precise ICD-10-PCS coding is important for accurate clinical documentation and proper inpatient reimbursement.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
2	Body System	Heart and Great Vessels
1	Operation	Bypass
7	Body Part	Atrium, Left

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

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Left Atrium Bypass Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
2	Body System	Heart and Great Vessels
1	Operation	Bypass
7	Body Part	Atrium, Left

When to Use

Use a code from this group when a surgical bypass is performed to redirect blood flow around an obstructed or nonfunctional area of the left atrium or adjacent great vessels. Select the specific ICD-10-PCS code that matches the bypass operation and left atrial anatomical site documented in the operative report.

ICD-10-PCS Codes

73 rows

ICD-10-PCS Code	Description
021708P	Bypass Left Atrium to Pulmonary Trunk with Zooplastic Tissue, Open Approach
021708Q	Bypass Left Atrium to Right Pulmonary Artery with Zooplastic Tissue, Open Approach
021708R	Bypass Left Atrium to Left Pulmonary Artery with Zooplastic Tissue, Open Approach
021708S	Bypass Left Atrium to Right Pulmonary Vein with Zooplastic Tissue, Open Approach
021708T	Bypass Left Atrium to Left Pulmonary Vein with Zooplastic Tissue, Open Approach
021708U	Bypass Left Atrium to Pulmonary Vein Confluence with Zooplastic Tissue, Open Approach
021709P	Bypass Left Atrium to Pulmonary Trunk with Autologous Venous Tissue, Open Approach
021709Q	Bypass Left Atrium to Right Pulmonary Artery with Autologous Venous Tissue, Open Approach
021709R	Bypass Left Atrium to Left Pulmonary Artery with Autologous Venous Tissue, Open Approach
021709S	Bypass Left Atrium to Right Pulmonary Vein with Autologous Venous Tissue, Open Approach

Showing 1–10 of 73

DRG Codes

11 rows

DRG Code	Description
228	Other Cardiothoracic Procedures with MCC
229	Other Cardiothoracic Procedures without MCC
270	Other Major Cardiovascular Procedures with MCC
271	Other Major Cardiovascular Procedures with CC
272	Other Major Cardiovascular Procedures without CC/MCC
907	Other O.R. Procedures for Injuries with MCC
908	Other O.R. Procedures for Injuries with CC
909	Other O.R. Procedures for Injuries without CC/MCC
957	Other O.R. Procedures for Multiple Significant Trauma with MCC
958	Other O.R. Procedures for Multiple Significant Trauma with CC

Showing 1–10 of 11

Typical Clinical Scenarios

An adult patient presents emergently with left atrial appendage obstruction and severe thromboembolic disease secondary to prior radiation-induced scarring of the left atrium. Because native pathways are nonfunctional and embolic risk persists despite anticoagulation, the surgical team performs an open bypass from the left atrium to the pulmonary trunk using a nonautologous tissue conduit to create an alternative outflow route and exclude the diseased segment. The procedure is performed via median sternotomy under cardiopulmonary bypass during the same inpatient admission. Typical codes: 02170KP
A middle-aged patient with progressive symptomatic mitral inflow obstruction from prior complex congenital repair is scheduled electively for a left atrial bypass to restore adequate left-sided filling and reduce pulmonary venous hypertension. The planned operation uses an autologous venous graft harvested intraoperatively and an open approach to create a bypass conduit from the left atrium to the right pulmonary artery as documented in the operative report. This is a nonurgent inpatient surgical admission for definitive correction. Typical codes: 021709Q
A patient with a prior percutaneous left atrial conduit presents with progressive conduit stenosis and recurrent pulmonary venous congestion. During the inpatient admission the team performs a revision by creating a new bypass from the left atrium to the right atrium using a synthetic substitute via a percutaneous approach to reestablish adequate flow and relieve venous pressure. The procedure is undertaken because the existing conduit is failing and revision is required. Typical codes: 02173J6

Related Codes

0210-CORONARY-ARTERY-BYPASS

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

0211-CORONARY-ARTERY-BYPASS

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

0212-CORONARY-ARTERY-THREE-ARTERIES-BYPASS

ICD-10-PCS Code For Coronary Artery, Three Arteries: Procedure Code Group Overview

0213-CORONARY-ARTERY-BYPASS

ICD-10-PCS Code For Coronary Artery, Four Or More Arteries: Procedure Code Group Overview

0216-ATRIUM-RIGHT-BYPASS

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

021K-VENTRICLE-RIGHT-BYPASS

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

021L-LEFT-VENTRICLE-BYPASS

ICD-10-PCS Code For Ventricle, Left: Procedure Code Group Overview

021P-PULMONARY-TRUNK-BYPASS

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

021Q-PULMONARY-ARTERY-RIGHT-BYPASS

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

021R-PULMONARY-ARTERY-LEFT-BYPASS

ICD-10-PCS Code For Pulmonary Artery Left: Procedure Code Group Overview

Showing 1–10 of 13

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

73 rows

ICD-10-PCS Code	Description
021708P	Bypass Left Atrium to Pulmonary Trunk with Zooplastic Tissue, Open Approach
021708Q	Bypass Left Atrium to Right Pulmonary Artery with Zooplastic Tissue, Open Approach
021708R	Bypass Left Atrium to Left Pulmonary Artery with Zooplastic Tissue, Open Approach
021708S	Bypass Left Atrium to Right Pulmonary Vein with Zooplastic Tissue, Open Approach
021708T	Bypass Left Atrium to Left Pulmonary Vein with Zooplastic Tissue, Open Approach
021708U	Bypass Left Atrium to Pulmonary Vein Confluence with Zooplastic Tissue, Open Approach
021709P	Bypass Left Atrium to Pulmonary Trunk with Autologous Venous Tissue, Open Approach
021709Q	Bypass Left Atrium to Right Pulmonary Artery with Autologous Venous Tissue, Open Approach
021709R	Bypass Left Atrium to Left Pulmonary Artery with Autologous Venous Tissue, Open Approach
021709S	Bypass Left Atrium to Right Pulmonary Vein with Autologous Venous Tissue, Open Approach

Showing 1–10 of 73

DRG Codes

11 rows

DRG Code	Description
228	Other Cardiothoracic Procedures with MCC
229	Other Cardiothoracic Procedures without MCC
270	Other Major Cardiovascular Procedures with MCC
271	Other Major Cardiovascular Procedures with CC
272	Other Major Cardiovascular Procedures without CC/MCC
907	Other O.R. Procedures for Injuries with MCC
908	Other O.R. Procedures for Injuries with CC
909	Other O.R. Procedures for Injuries without CC/MCC
957	Other O.R. Procedures for Multiple Significant Trauma with MCC
958	Other O.R. Procedures for Multiple Significant Trauma with CC

Showing 1–10 of 11

Typical Clinical Scenarios

An adult patient presents emergently with left atrial appendage obstruction and severe thromboembolic disease secondary to prior radiation-induced scarring of the left atrium. Because native pathways are nonfunctional and embolic risk persists despite anticoagulation, the surgical team performs an open bypass from the left atrium to the pulmonary trunk using a nonautologous tissue conduit to create an alternative outflow route and exclude the diseased segment. The procedure is performed via median sternotomy under cardiopulmonary bypass during the same inpatient admission. Typical codes: 02170KP
A middle-aged patient with progressive symptomatic mitral inflow obstruction from prior complex congenital repair is scheduled electively for a left atrial bypass to restore adequate left-sided filling and reduce pulmonary venous hypertension. The planned operation uses an autologous venous graft harvested intraoperatively and an open approach to create a bypass conduit from the left atrium to the right pulmonary artery as documented in the operative report. This is a nonurgent inpatient surgical admission for definitive correction. Typical codes: 021709Q
A patient with a prior percutaneous left atrial conduit presents with progressive conduit stenosis and recurrent pulmonary venous congestion. During the inpatient admission the team performs a revision by creating a new bypass from the left atrium to the right atrium using a synthetic substitute via a percutaneous approach to reestablish adequate flow and relieve venous pressure. The procedure is undertaken because the existing conduit is failing and revision is required. Typical codes: 02173J6

Related Codes

0210-CORONARY-ARTERY-BYPASS

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

0211-CORONARY-ARTERY-BYPASS

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

0212-CORONARY-ARTERY-THREE-ARTERIES-BYPASS

ICD-10-PCS Code For Coronary Artery, Three Arteries: Procedure Code Group Overview

0213-CORONARY-ARTERY-BYPASS

ICD-10-PCS Code For Coronary Artery, Four Or More Arteries: Procedure Code Group Overview

0216-ATRIUM-RIGHT-BYPASS

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

021K-VENTRICLE-RIGHT-BYPASS

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

021L-LEFT-VENTRICLE-BYPASS

ICD-10-PCS Code For Ventricle, Left: Procedure Code Group Overview

021P-PULMONARY-TRUNK-BYPASS

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

021Q-PULMONARY-ARTERY-RIGHT-BYPASS

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

021R-PULMONARY-ARTERY-LEFT-BYPASS

ICD-10-PCS Code For Pulmonary Artery Left: Procedure Code Group Overview

Showing 1–10 of 13

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 Atrium, Left: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Atrium, Left: Procedure Code Group Overview policy alerts

Left Atrium Bypass Procedure Overview

Code Attributes

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

Sign up for ICD-10-PCS Code For Atrium, Left: Procedure Code Group Overview policy alerts

Left Atrium Bypass Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which body system and operation are represented by ICD-10-PCS code group 0217?

What types of approaches and tissue materials are specified in the 0217 code set?

How should coders refer to individual procedural codes within this group when documenting?

What clinical purpose do procedures in ICD-10-PCS code group 0217 serve?

Which DRG categories may be associated with procedures coded from the 0217 group?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which body system and operation are represented by ICD-10-PCS code group 0217?

What types of approaches and tissue materials are specified in the 0217 code set?

How should coders refer to individual procedural codes within this group when documenting?

What clinical purpose do procedures in ICD-10-PCS code group 0217 serve?

Which DRG categories may be associated with procedures coded from the 0217 group?

References