09UM4KZSupplement Nasal Septum with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 09UM4KZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

09UM4KZ is a billable ICD-10-PCS procedure code for Supplement Nasal Septum with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 15 MS-DRGs. The root operation Supplement involves putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under ENT repair.

Code Identity

ICD-10-PCS Code
09UM4KZ
Billable Status
Yes — Valid for Submission
Code Describes
Supplement Nasal Septum with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
Short Description
Supplement Nasal Septum with Nonaut Sub, Perc Endo Approach
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
3OperationUSupplement
4BodyPartMNasal Septum
5Approach4Percutaneous Endoscopic
6DeviceKNonautologous Tissue Substitute
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
Supplement, Septum, Nasal
Leads to this code's table

To code supplement of the nasal septum, open the FY 2027 ICD-10-PCS Alphabetic Index at Supplement, then the subterms Septum, Nasal. The index leads to table 09U, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 09UM4KZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

ENT013
ENT repair
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.

21.88
Other septoplasty
Approximate match.

Code History

Replaced in the FY 2027 code set by:
  • 09UM8KZ — Supplement Nasal Septum with Nonaut Sub, Endo

Similar Procedure Codes

Questions About 09UM4KZ

Is 09UM4KZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Supplement Nasal Septum with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 09UM4KZ 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 U is the Operation (Supplement); the 4th character M is the BodyPart (Nasal Septum); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character K is the Device (Nonautologous Tissue Substitute); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 09UM4KZ group to?

On an inpatient stay, Supplement Nasal Septum with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach maps to MS-DRGs 143, 144, 145, 515, 516, 517, 579, 580, 581, 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 09UM4KZ?

Under the General Equivalence Mappings, Supplement Nasal Septum with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 21.88 (Other septoplasty). The mapping is approximate, so confirm it fits the documentation.