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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 012Y includes procedures performed to change devices in the peripheral nerve. These ICD-10-PCS codes are used for inpatient documentation when an identical or similar device is taken off and put back on the same peripheral nerve without cutting or puncturing the skin or a mucous membrane. Accurate coding within the ICD-10-PCS 012Y group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

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Peripheral Nerve Change Procedure Overview

This procedure group includes inpatient codes for changing peripheral nerve devices without cutting or puncturing the skin or a mucous membrane. The procedures target the peripheral nervous system and involve removing and replacing an identical or similar device on the same peripheral nerve. Accurate coding is important for reflecting the operation performed and for appropriate inpatient reimbursement.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
1	Body System	Peripheral Nervous System
2	Operation	Change
Y	Body Part	Peripheral Nerve

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

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Peripheral Nerve Change Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
1	Body System	Peripheral Nervous System
2	Operation	Change
Y	Body Part	Peripheral Nerve

When to Use

Use a code from this group when an existing peripheral nerve device is taken off and an identical or similar device is put back on the same peripheral nerve without cutting or puncturing the skin or a mucous membrane. These codes are appropriate for inpatient encounters documenting such noninvasive device exchanges on the peripheral nerve.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
012YX0Z	Change Drainage Device in Peripheral Nerve, External Approach
012YXYZ	Change Other Device in Peripheral Nerve, External Approach

Typical Clinical Scenarios

An elderly patient with a long-standing peripheral nerve stimulator for chronic neuropathic pain is admitted for worsening pain control after external lead erosion at the skin entry site but without new skin puncture or incision. The clinical team removes the external portion of the stimulator and replaces it with an identical external drainage/stimulation component at the same peripheral nerve site at bedside to restore function and prevent infection progression. Typical codes: 012YX0Z
A middle-aged patient scheduled for a planned elective outpatient-to-inpatient conversion of an external peripheral nerve infusion catheter who requires exchange of the external infusion/drainage component due to malfunction; the procedure is done without creating a new skin puncture and performed under sterile conditions in the inpatient setting. The device is taken off and an identical external device is reapplied to the same peripheral nerve to reestablish therapy. Typical codes: 012YX0Z
A postoperative patient develops a localized seroma around an external peripheral nerve device site that requires bedside removal and replacement of the external component to manage drainage and maintain nerve-directed therapy; there is no incision or puncture of intact skin and the replacement is of a similar external device on the same peripheral nerve. Typical codes: 012YX0Z, 012YXYZ

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
012YX0Z	Change Drainage Device in Peripheral Nerve, External Approach
012YXYZ	Change Other Device in Peripheral Nerve, External Approach

Typical Clinical Scenarios

An elderly patient with a long-standing peripheral nerve stimulator for chronic neuropathic pain is admitted for worsening pain control after external lead erosion at the skin entry site but without new skin puncture or incision. The clinical team removes the external portion of the stimulator and replaces it with an identical external drainage/stimulation component at the same peripheral nerve site at bedside to restore function and prevent infection progression. Typical codes: 012YX0Z
A middle-aged patient scheduled for a planned elective outpatient-to-inpatient conversion of an external peripheral nerve infusion catheter who requires exchange of the external infusion/drainage component due to malfunction; the procedure is done without creating a new skin puncture and performed under sterile conditions in the inpatient setting. The device is taken off and an identical external device is reapplied to the same peripheral nerve to reestablish therapy. Typical codes: 012YX0Z
A postoperative patient develops a localized seroma around an external peripheral nerve device site that requires bedside removal and replacement of the external component to manage drainage and maintain nerve-directed therapy; there is no incision or puncture of intact skin and the replacement is of a similar external device on the same peripheral nerve. Typical codes: 012YX0Z, 012YXYZ

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 Peripheral Nerve: Procedure Code Group Overview

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

Peripheral Nerve Change Procedure Overview

Code Attributes

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

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

Peripheral Nerve Change Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

What procedures are included in the ICD-10-PCS 012Y group?

What is the approach specified for codes in this group?

Which body system and operation do ICD-10-PCS 012Y codes represent?

How should coders document device changes for accurate inpatient reimbursement?

What specific codes are examples in the 012Y group?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

What procedures are included in the ICD-10-PCS 012Y group?

What is the approach specified for codes in this group?

Which body system and operation do ICD-10-PCS 012Y codes represent?

How should coders document device changes for accurate inpatient reimbursement?

What specific codes are examples in the 012Y group?

References