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 01JY includes procedures performed to inspect structures in the peripheral nerve. These ICD-10-PCS codes are used for inpatient documentation when visual and/or manual exploration of a peripheral nerve is performed to assess injury, disease, or other pathology. Accurate coding within the ICD-10-PCS 01JY group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

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Peripheral Nerve Inspection Procedure Overview

This code group covers visually and/or manually exploring peripheral nerves to evaluate their condition and identify abnormalities. Procedures in this group target the peripheral nervous system and involve inspection of peripheral nerve structures during inpatient surgical encounters. Accurate coding reflects the specific inspection performed and supports appropriate inpatient reimbursement and clinical documentation.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
1	Body System	Peripheral Nervous System
J	Operation	Inspection
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 Inspection Procedure Overview

Code Attributes

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

When to Use

Use a code from this group when a peripheral nerve is visually and/or manually inspected during an inpatient operative procedure to evaluate suspected injury, entrapment, or other pathology. These codes apply when the inspection itself is the documented primary operation rather than a separate therapeutic procedure.

ICD-10-PCS Codes

3 rows

ICD-10-PCS Code	Description
01JY0ZZ	Inspection of Peripheral Nerve, Open Approach
01JY3ZZ	Inspection of Peripheral Nerve, Percutaneous Approach
01JY4ZZ	Inspection of Peripheral Nerve, Percutaneous Endoscopic Approach

DRG Codes

3 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

Typical Clinical Scenarios

An adult patient presents urgently after a crush injury to the forearm with persistent focal numbness and motor weakness in the distribution of the median nerve. During inpatient exploration to assess the extent of traumatic nerve contusion and to determine whether there is transection or compressive hematoma, the surgical team performs direct visual and manual inspection of the median peripheral nerve through an open incision. The inspection is performed to guide further management decisions such as repair or decompression. Typical codes: 01JY0ZZ
A middle-aged patient is admitted electively for evaluation of chronic, progressive numbness and shooting pain in the lower limb consistent with suspected entrapment of the peroneal nerve at the fibular head. During the planned inpatient procedure, the surgeon performs a targeted percutaneous inspection of the peripheral nerve to confirm focal compression and evaluate nerve integrity prior to deciding on an extended decompression or neurolysis. The inspection is diagnostic and performed with minimally invasive access. Typical codes: 01JY3ZZ
A patient with prior peripheral nerve surgery presents with worsening sensory loss and a painful palpable cord at the site of previous repair, raising concern for recurrent scar formation and adhesions. Inpatient management includes a percutaneous endoscopic inspection of the peripheral nerve to visualize the internal scar tissue and assess the repaired nerve segments before proceeding with revision repair or lysis of adhesions. The endoscopic inspection allows direct assessment of the previously operated nerve. Typical codes: 01JY4ZZ

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
01JY0ZZ	Inspection of Peripheral Nerve, Open Approach
01JY3ZZ	Inspection of Peripheral Nerve, Percutaneous Approach
01JY4ZZ	Inspection of Peripheral Nerve, Percutaneous Endoscopic Approach

DRG Codes

3 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

Typical Clinical Scenarios

An adult patient presents urgently after a crush injury to the forearm with persistent focal numbness and motor weakness in the distribution of the median nerve. During inpatient exploration to assess the extent of traumatic nerve contusion and to determine whether there is transection or compressive hematoma, the surgical team performs direct visual and manual inspection of the median peripheral nerve through an open incision. The inspection is performed to guide further management decisions such as repair or decompression. Typical codes: 01JY0ZZ
A middle-aged patient is admitted electively for evaluation of chronic, progressive numbness and shooting pain in the lower limb consistent with suspected entrapment of the peroneal nerve at the fibular head. During the planned inpatient procedure, the surgeon performs a targeted percutaneous inspection of the peripheral nerve to confirm focal compression and evaluate nerve integrity prior to deciding on an extended decompression or neurolysis. The inspection is diagnostic and performed with minimally invasive access. Typical codes: 01JY3ZZ
A patient with prior peripheral nerve surgery presents with worsening sensory loss and a painful palpable cord at the site of previous repair, raising concern for recurrent scar formation and adhesions. Inpatient management includes a percutaneous endoscopic inspection of the peripheral nerve to visualize the internal scar tissue and assess the repaired nerve segments before proceeding with revision repair or lysis of adhesions. The endoscopic inspection allows direct assessment of the previously operated nerve. Typical codes: 01JY4ZZ

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 Inspection 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 Inspection Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Which procedures are included in the ICD-10-PCS 01JY code group?

What is the purpose of using an 01JY inspection code in inpatient documentation?

Under which ICD-10-PCS section and body system do 01JY codes fall?

How do 01JY codes relate to DRG assignment?

What approaches to peripheral nerve inspection are distinguished by the codes?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Which procedures are included in the ICD-10-PCS 01JY code group?

What is the purpose of using an 01JY inspection code in inpatient documentation?

Under which ICD-10-PCS section and body system do 01JY codes fall?

How do 01JY codes relate to DRG assignment?

What approaches to peripheral nerve inspection are distinguished by the codes?

References