09TN4ZZResection of Nasopharynx, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 09TN4ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

09TN4ZZ is a billable ICD-10-PCS procedure code for Resection of Nasopharynx, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 6 MS-DRGs. The root operation Resection involves cutting out or off, without replacement, all of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Nasal and sinus excision.

Code Identity

ICD-10-PCS Code
09TN4ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Resection of Nasopharynx, Percutaneous Endoscopic Approach
Short Description
Resection of Nasopharynx, Percutaneous Endoscopic Approach
Same as the full description in the CMS dataset.
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
3OperationTResection
4BodyPartNNasopharynx
5Approach4Percutaneous Endoscopic
6DeviceZNo Device
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
Anatomy or device term that leads here
Resection, Nasopharynx
Leads to this code's table

To code resection of the nasopharynx, open the FY 2027 ICD-10-PCS Alphabetic Index at Resection, then the subterm Nasopharynx. The index leads to table 09T, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 09TN4ZZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

ENT008
Nasal and sinus excision
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.

29.33
Pharyngectomy (partial)
Approximate match.

Similar Procedure Codes

Questions About 09TN4ZZ

Is 09TN4ZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Resection of Nasopharynx, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 09TN4ZZ 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 T is the Operation (Resection); the 4th character N is the BodyPart (Nasopharynx); 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 09TN4ZZ group to?

On an inpatient stay, Resection of Nasopharynx, Percutaneous Endoscopic Approach maps to MS-DRGs 143, 144, 145, 326, 327, 328, with relative weights from 1.2335 to 4.9435. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 09TN4ZZ?

Under the General Equivalence Mappings, Resection of Nasopharynx, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 29.33 (Pharyngectomy (partial)). The mapping is approximate, so confirm it fits the documentation.