00HE4YZInsertion of Other Device into Cranial Nerve, Percutaneous Endoscopic Approach

Medical and Surgical›Central Nervous System and Cranial Nerves›Insertion

Billable / Specific Code

ICD-10-PCS 00HE4YZ

CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.

00HE4YZ is a billable ICD-10-PCS procedure code for Insertion of Other Device into Cranial Nerve, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Insertion involves putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part.

Code Identity

ICD-10-PCS Code

00HE4YZ

Billable Status

Yes — Valid for Submission

Code Describes

Insertion of Other Device into Cranial Nerve, Percutaneous Endoscopic Approach

Parent Code

00H

Short Description

Insertion of Oth Dev into Cranial Nrv, Perc Endo Approach

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.

Position	Designation	Value	Meaning
1	Section	0	Medical and Surgical
2	Body System	0	Central Nervous System and Cranial Nerves
3	Operation	H	Insertion
4	BodyPart	E	Cranial Nerve
5	Approach	4	Percutaneous Endoscopic
6	Device	Y	Other Device
7	Qualifier	Z	No Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 00HE4YZ under the General Equivalence Mappings.

40.4

Approximate match.

Code History

Replaced in the FY 2026 code set by:

00HE41Z — Insert of Radioact Elem into Cranial Nrv, Perc Endo Approach

Similar Procedure Codes

Filter related codes list:

Questions About 00HE4YZ

Is 00HE4YZ a billable code?

Yes. 00HE4YZ is a complete seven-character ICD-10-PCS code, specific enough to report Insertion of Other Device into Cranial Nerve, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 00HE4YZ mean?

00HE4YZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 0 is the Body System (Central Nervous System and Cranial Nerves); the 3rd character H is the Operation (Insertion); the 4th character E is the BodyPart (Cranial Nerve); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Y is the Device (Other Device); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 00HE4YZ?

Under the General Equivalence Mappings, Insertion of Other Device into Cranial Nerve, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 40.4. The mapping is approximate, so confirm it fits the documentation.