09M1XZZReattachment of Left External Ear, External Approach

  • Billable / Specific Code
ICD-10-PCS 09M1XZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

09M1XZZ is a billable ICD-10-PCS procedure code for Reattachment of Left External Ear, External Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 9 MS-DRGs. The root operation Reattachment involves putting back in or on all or a portion of a separated body part to its normal location or other suitable location. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under ENT procedures, NEC.

Code Identity

ICD-10-PCS Code
09M1XZZ
Billable Status
Yes — Valid for Submission
Code Describes
Reattachment of Left External Ear, External Approach
Short Description
Reattachment of Left External Ear, External Approach
Same as the full description in the CMS dataset.
Parent Code
09M Ear, Nose, Sinus, Reattachment

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
3OperationMReattachment
4BodyPart1External Ear, Left
5ApproachXExternal
6DeviceZNo Device
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

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

Reattachment, Ear, Left
Direct entry for 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
Anatomy or device term that leads here

To code reattachment of the left ear, open the FY 2027 ICD-10-PCS Alphabetic Index at Reattachment, then the subterms Ear, Left. The entry lists 09M1XZZ directly as a complete, billable code.

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.

18.72
Reattachment of amputated ear
Approximate match.

Similar Procedure Codes

Questions About 09M1XZZ

Is 09M1XZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Reattachment of Left External Ear, External Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What is the ICD-10-PCS code for reattachment of the left ear?

The FY 2027 ICD-10-PCS Alphabetic Index entry Reattachment, Ear, Left is a direct entry for 09M1XZZ, Reattachment of Left External Ear, External Approach, billable on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 09M1XZZ 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 M is the Operation (Reattachment); the 4th character 1 is the BodyPart (External Ear, 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 MS-DRG does 09M1XZZ group to?

On an inpatient stay, Reattachment of Left External Ear, External Approach maps to MS-DRGs 143, 144, 145, 907, 908, 909, 957, 958, 959, with relative weights from 1.2335 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 09M1XZZ?

Under the General Equivalence Mappings, Reattachment of Left External Ear, External Approach crosswalks to ICD-9-PCS 18.72 (Reattachment of amputated ear). The mapping is approximate, so confirm it fits the documentation.