091D0K0Bypass Right Inner Ear to Endolymphatic with Nonautologous Tissue Substitute, Open Approach

  • Billable / Specific Code
ICD-10-PCS 091D0K0
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

091D0K0 is a billable ICD-10-PCS procedure code for Bypass Right Inner Ear to Endolymphatic with Nonautologous Tissue Substitute, 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 Bypass involves altering the route of passage of the contents of a tubular body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under ENT procedures, NEC.

Code Identity

ICD-10-PCS Code
091D0K0
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Right Inner Ear to Endolymphatic with Nonautologous Tissue Substitute, Open Approach
Short Description
Bypass R Inner Ear to Endolymphatic w Nonaut Sub, Open
Parent Code
091 Ear, Nose, Sinus, Bypass

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
3Operation1Bypass
4BodyPartDInner Ear, Right
5Approach0Open
6DeviceKNonautologous Tissue Substitute
7Qualifier0Endolymphatic

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
Bypass, Ear, Right
Leads to this code's table
Anatomy or device term that leads here

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.

20.71
Endolymphatic shunt
Approximate match.

Similar Procedure Codes

Questions About 091D0K0

Is 091D0K0 a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Right Inner Ear to Endolymphatic with Nonautologous Tissue Substitute, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 091D0K0 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 1 is the Operation (Bypass); the 4th character D is the BodyPart (Inner Ear, Right); the 5th character 0 is the Approach (Open); the 6th character K is the Device (Nonautologous Tissue Substitute); the 7th character 0 is the Qualifier (Endolymphatic).

What MS-DRG does 091D0K0 group to?

On an inpatient stay, Bypass Right Inner Ear to Endolymphatic with Nonautologous Tissue Substitute, 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 091D0K0?

Under the General Equivalence Mappings, Bypass Right Inner Ear to Endolymphatic with Nonautologous Tissue Substitute, Open Approach crosswalks to ICD-9-PCS 20.71 (Endolymphatic shunt). The mapping is approximate, so confirm it fits the documentation.