ICD-10-PCS Code For Cranial Nerve: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 002E includes procedures performed to change devices in cranial nerves. These ICD-10-PCS codes are used for inpatient documentation when a device on a cranial nerve is removed and an identical or similar device is placed back on the same cranial nerve without cutting or puncturing the skin or a mucous membrane. Accurate coding within the ICD-10-PCS 002E group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Cranial Nerve Change Procedure Overview

This procedure group includes codes for changing a device on or related to the cranial nerves without cutting or puncturing the skin or a mucous membrane. These procedures target the central nervous system and cranial nerves and involve removing and replacing an identical or similar device on the same cranial nerve. Accurate coding is important for inpatient reimbursement because it documents the specific device change and supports correct case mix and payment determination.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
0	Body System	Central Nervous System and Cranial Nerves
2	Operation	Change
E	Body Part	Cranial Nerve

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ICD-10-PCS Code For Cranial Nerve: Procedure Code Group Overview

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Cranial Nerve Change Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
0	Body System	Central Nervous System and Cranial Nerves
2	Operation	Change
E	Body Part	Cranial Nerve

When to Use

Use a code from this group when an existing device on a cranial nerve is removed and an identical or similar device is reinserted or reapplied to the same cranial nerve without performing an incision or puncture. These circumstances typically occur when a device must be exchanged due to malfunction, dressing needs, or routine replacement while preserving the original access route.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
002EX0Z	Change Drainage Device in Cranial Nerve, External Approach
002EXYZ	Change Other Device in Cranial Nerve, External Approach

Typical Clinical Scenarios

An older adult with a long-standing external cranial nerve monitoring lead for continuous facial nerve stimulation develops sudden loss of function and visible break in the external lead while inpatient after recent head surgery. Because the device is external and malfunctioning but the underlying access route remains intact, the team removes the damaged external drainage/monitoring device and replaces it with an identical external device at the same cranial nerve site without an incision. The procedure is performed urgently to restore monitoring and prevent further neurologic compromise. Typical codes: 002EX0Z
A middle-aged patient is admitted electively for scheduled outpatient-to-inpatient management of a tunneled external facial nerve drainage/monitoring apparatus that requires routine exchange after the manufacturer-recommended duration. There is no infection or new skin puncture; the external device is removed and an identical external drainage device is placed on the same cranial nerve access site to maintain therapeutic function. The planned procedure is performed in a controlled inpatient setting to document device change and ensure immediate postoperative observation. Typical codes: 002EX0Z
An inpatient with a previously placed external cranial nerve supportive device develops surrounding site irritation and nonpurulent skin breakdown, necessitating removal and replacement of the external device with a similar device to manage symptoms while avoiding further tissue injury. The exchange is done without cutting or puncturing the skin or mucous membrane, preserving the same cranial nerve access, and addresses the complication of localized skin compromise while maintaining nerve support. Typical codes: 002EXYZ

Related Codes

0020-BRAIN-CHANGE

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

002U-SPINAL-CANAL-CHANGE

ICD-10-PCS Code For Spinal Canal: 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

2 rows

ICD-10-PCS Code	Description
002EX0Z	Change Drainage Device in Cranial Nerve, External Approach
002EXYZ	Change Other Device in Cranial Nerve, External Approach

Typical Clinical Scenarios

An older adult with a long-standing external cranial nerve monitoring lead for continuous facial nerve stimulation develops sudden loss of function and visible break in the external lead while inpatient after recent head surgery. Because the device is external and malfunctioning but the underlying access route remains intact, the team removes the damaged external drainage/monitoring device and replaces it with an identical external device at the same cranial nerve site without an incision. The procedure is performed urgently to restore monitoring and prevent further neurologic compromise. Typical codes: 002EX0Z
A middle-aged patient is admitted electively for scheduled outpatient-to-inpatient management of a tunneled external facial nerve drainage/monitoring apparatus that requires routine exchange after the manufacturer-recommended duration. There is no infection or new skin puncture; the external device is removed and an identical external drainage device is placed on the same cranial nerve access site to maintain therapeutic function. The planned procedure is performed in a controlled inpatient setting to document device change and ensure immediate postoperative observation. Typical codes: 002EX0Z
An inpatient with a previously placed external cranial nerve supportive device develops surrounding site irritation and nonpurulent skin breakdown, necessitating removal and replacement of the external device with a similar device to manage symptoms while avoiding further tissue injury. The exchange is done without cutting or puncturing the skin or mucous membrane, preserving the same cranial nerve access, and addresses the complication of localized skin compromise while maintaining nerve support. Typical codes: 002EXYZ

Related Codes

0020-BRAIN-CHANGE

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

002U-SPINAL-CANAL-CHANGE

ICD-10-PCS Code For Spinal Canal: 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.

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 Cranial Nerve: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Cranial Nerve: Procedure Code Group Overview policy alerts

Cranial Nerve Change Procedure Overview

Code Attributes

ICD-10-PCS Code For Cranial Nerve: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Cranial Nerve: Procedure Code Group Overview policy alerts

Cranial Nerve Change Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the ICD-10-PCS 002E group?

What are the code attributes for the Cranial Nerve Change procedure group?

Which individual ICD-10-PCS codes are listed in this group?

When should these ICD-10-PCS codes be used for inpatient documentation?

How does accurate coding within the 002E group affect reimbursement?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the ICD-10-PCS 002E group?

What are the code attributes for the Cranial Nerve Change procedure group?

Which individual ICD-10-PCS codes are listed in this group?

When should these ICD-10-PCS codes be used for inpatient documentation?

How does accurate coding within the 002E group affect reimbursement?

References