09N37ZZRelease Right External Auditory Canal, Via Natural or Artificial Opening

  • Billable / Specific Code
ICD-10-PCS 09N37ZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

09N37ZZ is a billable ICD-10-PCS procedure code for Release Right External Auditory Canal, Via Natural or Artificial Opening. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 12 MS-DRGs. 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
09N37ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Release Right External Auditory Canal, Via Natural or Artificial Opening
Parent Code
Short Description
Release Right External Auditory Canal, Via Opening

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
4BodyPart3External Auditory Canal, Right
5Approach7Via Natural or Artificial Opening
6DeviceZNo Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 09N37ZZ under the General Equivalence Mappings.

18.9
Approximate match.

Similar Procedure Codes

Questions About 09N37ZZ

Is 09N37ZZ a billable code?

Yes. 09N37ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Release Right External Auditory Canal, Via Natural or Artificial Opening on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 09N37ZZ mean?

09N37ZZ 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 3 is the BodyPart (External Auditory Canal, Right); the 5th character 7 is the Approach (Via Natural or Artificial Opening); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 09N37ZZ group to?

On an inpatient stay, Release Right External Auditory Canal, Via Natural or Artificial Opening maps to MS-DRGs 143, 144, 145, 579, 580, 581, 907, 908, 909, 957, 958, 959, with relative weights from 1.2023 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 09N37ZZ?

Under the General Equivalence Mappings, Release Right External Auditory Canal, Via Natural or Artificial Opening crosswalks to ICD-9-PCS 18.9. The mapping is approximate, so confirm it fits the documentation.