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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 02H7 includes procedures performed to insert nonbiological appliances that monitor, assist, perform, or prevent physiological functions in the left atrium. These ICD-10-PCS codes are used for inpatient documentation when a device is placed in the left atrium to support cardiac monitoring or therapy without replacing cardiac tissue. Accurate coding within the ICD-10-PCS 02H7 group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Left Atrium Insertion Procedure Overview

Procedures in this group involve the insertion of nonbiological appliances into the left atrium and target the heart and great vessels body system. These procedures place devices that monitor, assist, perform, or prevent a physiological function without replacing a body part. Accurate ICD-10-PCS coding of these insertions ensures correct inpatient documentation and supports appropriate 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
H	Operation	Insertion
7	Body Part	Atrium, Left

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

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Left Atrium Insertion Procedure Overview

Code Attributes

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

When to Use

Use a code from this group when an appliance is inserted into the left atrium for purposes such as cardiac monitoring, pacing adjuncts, or physiologic support that do not constitute organ replacement. Do not use these codes for procedures that remove, replace, or directly repair cardiac structures.

ICD-10-PCS Codes

27 rows

ICD-10-PCS Code	Description
02H700Z	Insertion of Pressure Sensor Monitoring Device into Left Atrium, Open Approach
02H702Z	Insertion of Monitoring Device into Left Atrium, Open Approach
02H703Z	Insertion of Infusion Device into Left Atrium, Open Approach
02H70DZ	Insertion of Intraluminal Device into Left Atrium, Open Approach
02H70JZ	Insertion of Pacemaker Lead into Left Atrium, Open Approach
02H70KZ	Insertion of Defibrillator Lead into Left Atrium, Open Approach
02H70MZ	Insertion of Cardiac Lead into Left Atrium, Open Approach
02H70NZ	Insertion of Intracardiac Pacemaker into Left Atrium, Open Approach
02H70YZ	Insertion of Other Device into Left Atrium, Open Approach
02H730Z	Insertion of Pressure Sensor Monitoring Device into Left Atrium, Percutaneous Approach

Showing 1–10 of 27

DRG Codes

22 rows

DRG Code	Description
040	Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC
041	Peripheral, Cranial Nerve and Other Nervous System Procedures with CC or Peripheral Neurostimulator
042	Peripheral, Cranial Nerve and Other Nervous System Procedures without CC/MCC
228	Other Cardiothoracic Procedures with MCC
229	Other Cardiothoracic Procedures without MCC
242	Permanent Cardiac Pacemaker Implant with MCC
243	Permanent Cardiac Pacemaker Implant with CC
244	Permanent Cardiac Pacemaker Implant without CC/MCC
260	Cardiac Pacemaker Revision Except Device Replacement with MCC
261	Cardiac Pacemaker Revision Except Device Replacement with CC

Showing 1–10 of 22

Typical Clinical Scenarios

An adult patient is admitted urgently with acute decompensated heart failure and new-onset atrial fibrillation with rapid ventricular response; invasive hemodynamic monitoring is required to guide diuresis and vasoactive therapy. A pressure sensor monitoring device is placed into the left atrium via a percutaneous approach to obtain continuous left atrial pressure measurements to optimize fluid management. The procedure is performed during the same inpatient stay to address the acute hemodynamic instability. Typical codes: 02H732Z
A patient with symptomatic paroxysmal atrial fibrillation is scheduled electively for catheter-based ablation and requires placement of a transseptal left atrial pacemaker lead as part of a planned adjunct pacing strategy. The lead is introduced into the left atrium using a percutaneous endoscopic approach to provide temporary intracardiac pacing and facilitate mapping during the elective procedure. This is a planned inpatient admission coordinated with the electrophysiology team. Typical codes: 02H74JZ
A patient with a previously implanted intracardiac device presents with device malfunction and recurrent symptomatic pauses; imaging confirms lead fracture of the existing left atrial intracardiac pacemaker component. During the inpatient revision, the damaged intracardiac pacemaker is removed and a replacement intracardiac pacemaker is inserted into the left atrium via an open approach due to extensive adhesions and prior surgery. The procedure addresses the complication and restores reliable pacing support. Typical codes: 02H70NZ

Related Codes

02H0-CORONARY-ARTERY-INSERTION

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

02H1-CORONARY-ARTERY-INSERTION

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

02H2-CORONARY-ARTERY-THREE-ARTERIES-INSERTION

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

02H3-CORONARY-ARTERY-INSERTION

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

02H4-CORONARY-VEIN-INSERTION

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

02H6-ATRIUM-RIGHT-INSERTION

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

02HA-HEART-INSERTION

ICD-10-PCS Code For Heart: Procedure Code Group Overview

02HK-VENTRICLE-RIGHT-INSERTION

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

02HL-LEFT-VENTRICLE-INSERTION

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

02HM-VENTRICULAR-SEPTUM-INSERTION

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

Showing 1–10 of 19

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

27 rows

ICD-10-PCS Code	Description
02H700Z	Insertion of Pressure Sensor Monitoring Device into Left Atrium, Open Approach
02H702Z	Insertion of Monitoring Device into Left Atrium, Open Approach
02H703Z	Insertion of Infusion Device into Left Atrium, Open Approach
02H70DZ	Insertion of Intraluminal Device into Left Atrium, Open Approach
02H70JZ	Insertion of Pacemaker Lead into Left Atrium, Open Approach
02H70KZ	Insertion of Defibrillator Lead into Left Atrium, Open Approach
02H70MZ	Insertion of Cardiac Lead into Left Atrium, Open Approach
02H70NZ	Insertion of Intracardiac Pacemaker into Left Atrium, Open Approach
02H70YZ	Insertion of Other Device into Left Atrium, Open Approach
02H730Z	Insertion of Pressure Sensor Monitoring Device into Left Atrium, Percutaneous Approach

Showing 1–10 of 27

DRG Codes

22 rows

DRG Code	Description
040	Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC
041	Peripheral, Cranial Nerve and Other Nervous System Procedures with CC or Peripheral Neurostimulator
042	Peripheral, Cranial Nerve and Other Nervous System Procedures without CC/MCC
228	Other Cardiothoracic Procedures with MCC
229	Other Cardiothoracic Procedures without MCC
242	Permanent Cardiac Pacemaker Implant with MCC
243	Permanent Cardiac Pacemaker Implant with CC
244	Permanent Cardiac Pacemaker Implant without CC/MCC
260	Cardiac Pacemaker Revision Except Device Replacement with MCC
261	Cardiac Pacemaker Revision Except Device Replacement with CC

Showing 1–10 of 22

Typical Clinical Scenarios

An adult patient is admitted urgently with acute decompensated heart failure and new-onset atrial fibrillation with rapid ventricular response; invasive hemodynamic monitoring is required to guide diuresis and vasoactive therapy. A pressure sensor monitoring device is placed into the left atrium via a percutaneous approach to obtain continuous left atrial pressure measurements to optimize fluid management. The procedure is performed during the same inpatient stay to address the acute hemodynamic instability. Typical codes: 02H732Z
A patient with symptomatic paroxysmal atrial fibrillation is scheduled electively for catheter-based ablation and requires placement of a transseptal left atrial pacemaker lead as part of a planned adjunct pacing strategy. The lead is introduced into the left atrium using a percutaneous endoscopic approach to provide temporary intracardiac pacing and facilitate mapping during the elective procedure. This is a planned inpatient admission coordinated with the electrophysiology team. Typical codes: 02H74JZ
A patient with a previously implanted intracardiac device presents with device malfunction and recurrent symptomatic pauses; imaging confirms lead fracture of the existing left atrial intracardiac pacemaker component. During the inpatient revision, the damaged intracardiac pacemaker is removed and a replacement intracardiac pacemaker is inserted into the left atrium via an open approach due to extensive adhesions and prior surgery. The procedure addresses the complication and restores reliable pacing support. Typical codes: 02H70NZ

Related Codes

02H0-CORONARY-ARTERY-INSERTION

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

02H1-CORONARY-ARTERY-INSERTION

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

02H2-CORONARY-ARTERY-THREE-ARTERIES-INSERTION

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

02H3-CORONARY-ARTERY-INSERTION

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

02H4-CORONARY-VEIN-INSERTION

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

02H6-ATRIUM-RIGHT-INSERTION

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

02HA-HEART-INSERTION

ICD-10-PCS Code For Heart: Procedure Code Group Overview

02HK-VENTRICLE-RIGHT-INSERTION

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

02HL-LEFT-VENTRICLE-INSERTION

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

02HM-VENTRICULAR-SEPTUM-INSERTION

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

Showing 1–10 of 19

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 Left Atrium: Procedure Code Group Overview

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

Left Atrium Insertion Procedure Overview

Code Attributes

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

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

Left Atrium Insertion Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers insertion procedures into the left atrium?

What body system and operation does the 02H7 code group represent?

Which specific codes correspond to percutaneous insertion approaches into the left atrium?

How does accurate coding within the 02H7 group affect inpatient reimbursement?

Which DRG categories may be related to procedures in the 02H7 left atrium insertion group?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers insertion procedures into the left atrium?

What body system and operation does the 02H7 code group represent?

Which specific codes correspond to percutaneous insertion approaches into the left atrium?

How does accurate coding within the 02H7 group affect inpatient reimbursement?

Which DRG categories may be related to procedures in the 02H7 left atrium insertion group?

References