09N4XZZRelease Left External Auditory Canal, External Approach

  • Billable / Specific Code
ICD-10-PCS 09N4XZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

09N4XZZ is a billable ICD-10-PCS procedure code for Release Left External Auditory Canal, External Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Release involves freeing a body part from an abnormal physical constraint by cutting or by the use of force.

Code Identity

ICD-10-PCS Code
09N4XZZ
Billable Status
Yes — Valid for Submission
Code Describes
Release Left External Auditory Canal, External Approach
Parent Code
Short Description
Release Left External Auditory Canal, External 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.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System9Ear, Nose, Sinus
3OperationNRelease
4BodyPart4External Auditory Canal, Left
5ApproachXExternal
6DeviceZNo Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 09N4XZZ under the General Equivalence Mappings.

18.9
Approximate match.

Similar Procedure Codes

Questions About 09N4XZZ

Is 09N4XZZ a billable code?

Yes. 09N4XZZ is a complete seven-character ICD-10-PCS code, specific enough to report Release Left External Auditory Canal, External Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 09N4XZZ mean?

09N4XZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 9 is the Body System (Ear, Nose, Sinus); the 3rd character N is the Operation (Release); the 4th character 4 is the BodyPart (External Auditory Canal, Left); the 5th character X is the Approach (External); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 09N4XZZ?

Under the General Equivalence Mappings, Release Left External Auditory Canal, External Approach crosswalks to ICD-9-PCS 18.9. The mapping is approximate, so confirm it fits the documentation.