09WD0SZRevision of Hearing Device in Right Inner Ear, Open Approach

  • Billable / Specific Code
ICD-10-PCS 09WD0SZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

09WD0SZ is a billable ICD-10-PCS procedure code for Revision of Hearing Device in Right Inner Ear, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 143, 144, 145. The root operation Revision involves correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under ENT procedures, NEC.

Code Identity

ICD-10-PCS Code
09WD0SZ
Billable Status
Yes — Valid for Submission
Code Describes
Revision of Hearing Device in Right Inner Ear, Open Approach
Short Description
Revision of Hearing Device in Right Inner Ear, Open Approach
Same as the full description in the CMS dataset.
Parent Code

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
3OperationWRevision
4BodyPartDInner Ear, Right
5Approach0Open
6DeviceSHearing Device
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

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

Anatomy or device term that leads here
Anatomy or device term that leads here
Anatomy or device term that leads here
Anatomy or device term that leads here
Anatomy or device term that leads here
Anatomy or device term that leads here
Revision of device in, Ear, Inner, Right
Leads to this code's table

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

ENT017
ENT procedures, NEC
Clinical domain: Ear, Nose, and Throat Procedures

Convert to ICD-9-PCS

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

20.99
Other operations on middle and inner ear
Approximate match.

Similar Procedure Codes

Questions About 09WD0SZ

Is 09WD0SZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Hearing Device in Right Inner Ear, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 09WD0SZ mean?

The code 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 W is the Operation (Revision); the 4th character D is the BodyPart (Inner Ear, Right); the 5th character 0 is the Approach (Open); the 6th character S is the Device (Hearing Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 09WD0SZ group to?

On an inpatient stay, Revision of Hearing Device in Right Inner Ear, Open Approach maps to MS-DRGs 143, 144, 145, with relative weights from 1.2335 to 3.8500. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 09WD0SZ?

Under the General Equivalence Mappings, Revision of Hearing Device in Right Inner Ear, Open Approach crosswalks to ICD-9-PCS 20.99 (Other operations on middle and inner ear). The mapping is approximate, so confirm it fits the documentation.