09BA8ZXExcision of Left Auditory Ossicle, Via Natural or Artificial Opening Endoscopic, Diagnostic

  • Billable / Specific Code
ICD-10-PCS 09BA8ZX
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

09BA8ZX is a billable ICD-10-PCS procedure code for Excision of Left Auditory Ossicle, Via Natural or Artificial Opening Endoscopic, Diagnostic. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 143, 144, 145. The root operation Excision involves cutting out or off, without replacement, a portion of a body part.

Code Identity

ICD-10-PCS Code
09BA8ZX
Billable Status
Yes — Valid for Submission
Code Describes
Excision of Left Auditory Ossicle, Via Natural or Artificial Opening Endoscopic, Diagnostic
Parent Code
Short Description
Excision of Left Auditory Ossicle, Endo, 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 System9Ear, Nose, Sinus
3OperationBExcision
4BodyPartAAuditory Ossicle, Left
5Approach8Via Natural or Artificial Opening Endoscopic
6DeviceZNo Device
7QualifierXDiagnostic

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 09BA8ZX under the General Equivalence Mappings.

20.32
Approximate match.

Code History

Replaces previously assigned code(s):
  • 09BA0ZX — Excision of Left Auditory Ossicle, Open Approach, Diagnostic

Similar Procedure Codes

Questions About 09BA8ZX

Is 09BA8ZX a billable code?

Yes. 09BA8ZX is a complete seven-character ICD-10-PCS code, specific enough to report Excision of Left Auditory Ossicle, Via Natural or Artificial Opening Endoscopic, Diagnostic on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 09BA8ZX mean?

09BA8ZX 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 B is the Operation (Excision); the 4th character A is the BodyPart (Auditory Ossicle, Left); the 5th character 8 is the Approach (Via Natural or Artificial Opening Endoscopic); the 6th character Z is the Device (No Device); the 7th character X is the Qualifier (Diagnostic).

What MS-DRG does 09BA8ZX group to?

On an inpatient stay, Excision of Left Auditory Ossicle, Via Natural or Artificial Opening Endoscopic, Diagnostic maps to MS-DRGs 143, 144, 145, with relative weights from 1.2023 to 3.7466. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 09BA8ZX?

Under the General Equivalence Mappings, Excision of Left Auditory Ossicle, Via Natural or Artificial Opening Endoscopic, Diagnostic crosswalks to ICD-9-PCS 20.32. The mapping is approximate, so confirm it fits the documentation.