01JY4ZZInspection of Peripheral Nerve, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 01JY4ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

01JY4ZZ is a billable ICD-10-PCS procedure code for Inspection of Peripheral Nerve, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 040, 041, 042. The root operation Inspection involves visually and/or manually exploring a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Peripheral nerve procedures, NEC.

Code Identity

ICD-10-PCS Code
01JY4ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Inspection of Peripheral Nerve, Percutaneous Endoscopic Approach
Short Description
Inspection of Peripheral Nerve, Perc Endo Approach
Parent Code
01J Peripheral Nervous System, Inspection

PCS Table Breakdown

Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System1Peripheral Nervous System
3OperationJInspection
4BodyPartYPeripheral Nerve
5Approach4Percutaneous Endoscopic
6DeviceZNo Device
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Inspection, Nerve, Peripheral
Leads to this code's table

To code inspection of the peripheral nerve, open the FY 2027 ICD-10-PCS Alphabetic Index at Inspection, then the subterms Nerve, Peripheral. The index leads to table 01J, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 01JY4ZZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

PNS006
Peripheral nerve procedures, NEC
Clinical domain: Peripheral Nervous System Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

04.19
Other diagnostic procedures on cranial and peripheral nerves and ganglia
Approximate match.
05.19
Other diagnostic procedures on sympathetic nerves or ganglia
Approximate match.

Similar Procedure Codes

Questions About 01JY4ZZ

Is 01JY4ZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Inspection of Peripheral Nerve, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 01JY4ZZ mean?

The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 1 is the Body System (Peripheral Nervous System); the 3rd character J is the Operation (Inspection); the 4th character Y is the BodyPart (Peripheral Nerve); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 01JY4ZZ group to?

On an inpatient stay, Inspection of Peripheral Nerve, Percutaneous Endoscopic Approach maps to MS-DRGs 040, 041, 042, with relative weights from 1.6757 to 3.7168. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 01JY4ZZ?

Under the General Equivalence Mappings, Inspection of Peripheral Nerve, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 04.19 (Other diagnostic procedures on cranial and peripheral nerves and ganglia) and 05.19 (Other diagnostic procedures on sympathetic nerves or ganglia). The mapping is approximate, so confirm it fits the documentation.