09BM4ZZExcision of Nasal Septum, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 09BM4ZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

09BM4ZZ is a billable ICD-10-PCS procedure code for Excision of Nasal Septum, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 9 MS-DRGs. The root operation Excision involves cutting out or off, without replacement, a portion of a body part.

Code Identity

ICD-10-PCS Code
09BM4ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Excision of Nasal Septum, Percutaneous Endoscopic Approach
Parent Code
Short Description
Excision of Nasal Septum, Percutaneous Endoscopic Approach

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
4BodyPartMNasal Septum
5Approach4Percutaneous Endoscopic
6DeviceZNo Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 09BM4ZZ under the General Equivalence Mappings.

21.5
Approximate match.

Code History

Replaced in the FY 2026 code set by:
  • 09BM8ZZ — Excision of Nasal Septum, Endo

Similar Procedure Codes

Questions About 09BM4ZZ

Is 09BM4ZZ a billable code?

Yes. 09BM4ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Excision of Nasal Septum, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 09BM4ZZ mean?

09BM4ZZ 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 M is the BodyPart (Nasal Septum); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 09BM4ZZ group to?

On an inpatient stay, Excision of Nasal Septum, Percutaneous Endoscopic Approach maps to MS-DRGs 143, 144, 145, 907, 908, 909, 957, 958, 959, with relative weights from 1.2023 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 09BM4ZZ?

Under the General Equivalence Mappings, Excision of Nasal Septum, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 21.5. The mapping is approximate, so confirm it fits the documentation.