00BN4ZXExcision of Acoustic Nerve, Percutaneous Endoscopic Approach, Diagnostic

Medical and Surgical›Central Nervous System and Cranial Nerves›Excision
  • Billable / Specific Code
ICD-10-PCS 00BN4ZX
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

00BN4ZX is a billable ICD-10-PCS procedure code for Excision of Acoustic Nerve, Percutaneous Endoscopic Approach, Diagnostic. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Excision involves cutting out or off, without replacement, a portion of a body part.

Code Identity

ICD-10-PCS Code
00BN4ZX
Billable Status
Yes — Valid for Submission
Code Describes
Excision of Acoustic Nerve, Percutaneous Endoscopic Approach, Diagnostic
Parent Code
00B
Short Description
Excision of Acoustic Nerve, Perc Endo Approach, Diagn

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 System0Central Nervous System and Cranial Nerves
3OperationBExcision
4BodyPartNAcoustic Nerve
5Approach4Percutaneous Endoscopic
6DeviceZNo Device
7QualifierXDiagnostic

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 00BN4ZX under the General Equivalence Mappings.

41.1
Approximate match.

Similar Procedure Codes

Questions About 00BN4ZX

Is 00BN4ZX a billable code?

Yes. 00BN4ZX is a complete seven-character ICD-10-PCS code, specific enough to report Excision of Acoustic Nerve, Percutaneous Endoscopic Approach, Diagnostic on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 00BN4ZX mean?

00BN4ZX 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 B is the Operation (Excision); the 4th character N is the BodyPart (Acoustic Nerve); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character X is the Qualifier (Diagnostic).

What is the ICD-9-PCS equivalent of 00BN4ZX?

Under the General Equivalence Mappings, Excision of Acoustic Nerve, Percutaneous Endoscopic Approach, Diagnostic crosswalks to ICD-9-PCS 41.1. The mapping is approximate, so confirm it fits the documentation.