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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 02K8 includes procedures performed to map conduction pathways and locate functional conduction areas in the heart and great vessels. These ICD-10-PCS codes are used for inpatient documentation when intraoperative or electrophysiologic mapping of cardiac conduction is performed to identify routes of electrical impulse propagation or arrhythmogenic sites. Accurate coding within the ICD-10-PCS 02K8 group is essential for proper inpatient reimbursement, as it captures the specific mapping procedure performed and determines appropriate case mix and payment.

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Conduction Mechanism Map Procedure Overview

Procedures in this group involve mapping the route of passage of electrical impulses and locating functional conduction areas within the heart and great vessels. These are diagnostic intraoperative or electrophysiologic mapping procedures that identify conduction pathways and arrhythmogenic foci. They target the heart and great vessels and support clinical decision making for therapeutic interventions. Accurate ICD-10-PCS coding is important for inpatient reimbursement because it documents the specific mapping performed and informs appropriate case mix and payment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
2	Body System	Heart and Great Vessels
K	Operation	Map
8	Body Part	Conduction Mechanism

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

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Conduction Mechanism Map Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
2	Body System	Heart and Great Vessels
K	Operation	Map
8	Body Part	Conduction Mechanism

When to Use

Use a code from this group when a documented procedure maps cardiac electrical conduction or localizes functional conduction areas during an inpatient encounter. These codes apply when mapping is performed to guide subsequent therapeutic interventions such as ablation or device placement.

ICD-10-PCS Codes

3 rows

ICD-10-PCS Code	Description
02K80ZZ	Map Conduction Mechanism, Open Approach
02K83ZZ	Map Conduction Mechanism, Percutaneous Approach
02K84ZZ	Map Conduction Mechanism, Percutaneous Endoscopic Approach

DRG Codes

2 rows

DRG Code	Description
273	Percutaneous and Other Intracardiac Procedures with MCC
274	Percutaneous and Other Intracardiac Procedures without MCC

Typical Clinical Scenarios

An older patient is admitted from the emergency department with syncope and sustained episodes of wide-complex tachycardia documented on telemetry; invasive electrophysiology is performed during the same hospitalization to delineate the arrhythmia circuit and identify critical conduction pathways before planned ablation. Because mapping is done via catheter introduced through the vasculature to the heart, a percutaneous approach is used to localize conduction routes. Typical codes: 02K83ZZ
A middle-aged patient with known complex congenital heart disease is scheduled electively for intraoperative epicardial mapping during open surgical repair to identify conduction tissue and avoid injury while correcting structural defects; the mapping is performed directly on the heart under direct vision. The open approach mapping documents localization of functional conduction areas to guide the operative strategy. Typical codes: 02K80ZZ
A patient with recurrent atrial tachyarrhythmia returns after a prior catheter ablation with persistent arrhythmogenic foci and suspected conduction pathway alteration; during this inpatient revision procedure, percutaneous endoscopic mapping techniques are used to re-map conduction and locate residual targets for additional intervention. Typical codes: 02K84ZZ

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
02K80ZZ	Map Conduction Mechanism, Open Approach
02K83ZZ	Map Conduction Mechanism, Percutaneous Approach
02K84ZZ	Map Conduction Mechanism, Percutaneous Endoscopic Approach

DRG Codes

2 rows

DRG Code	Description
273	Percutaneous and Other Intracardiac Procedures with MCC
274	Percutaneous and Other Intracardiac Procedures without MCC

Typical Clinical Scenarios

An older patient is admitted from the emergency department with syncope and sustained episodes of wide-complex tachycardia documented on telemetry; invasive electrophysiology is performed during the same hospitalization to delineate the arrhythmia circuit and identify critical conduction pathways before planned ablation. Because mapping is done via catheter introduced through the vasculature to the heart, a percutaneous approach is used to localize conduction routes. Typical codes: 02K83ZZ
A middle-aged patient with known complex congenital heart disease is scheduled electively for intraoperative epicardial mapping during open surgical repair to identify conduction tissue and avoid injury while correcting structural defects; the mapping is performed directly on the heart under direct vision. The open approach mapping documents localization of functional conduction areas to guide the operative strategy. Typical codes: 02K80ZZ
A patient with recurrent atrial tachyarrhythmia returns after a prior catheter ablation with persistent arrhythmogenic foci and suspected conduction pathway alteration; during this inpatient revision procedure, percutaneous endoscopic mapping techniques are used to re-map conduction and locate residual targets for additional intervention. Typical codes: 02K84ZZ

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 Conduction Mechanism: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Conduction Mechanism: Procedure Code Group Overview policy alerts

Conduction Mechanism Map Procedure Overview

Code Attributes

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

Sign up for ICD-10-PCS Code For Conduction Mechanism: Procedure Code Group Overview policy alerts

Conduction Mechanism Map Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

What procedures are included in ICD-10-PCS code group 02K8?

What is the purpose of procedures coded to 02K8?

Which ICD-10-PCS section and body system apply to these mapping procedures?

How do codes in 02K8 impact inpatient reimbursement and case mix?

Which DRGs are related to ICD-10-PCS code group 02K8?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

What procedures are included in ICD-10-PCS code group 02K8?

What is the purpose of procedures coded to 02K8?

Which ICD-10-PCS section and body system apply to these mapping procedures?

How do codes in 02K8 impact inpatient reimbursement and case mix?

Which DRGs are related to ICD-10-PCS code group 02K8?

References