097N7ZZDilation of Nasopharynx, Via Natural or Artificial Opening

Medical and Surgical›Ear, Nose, Sinus›Dilation
  • Billable / Specific Code
ICD-10-PCS 097N7ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

097N7ZZ is a billable ICD-10-PCS procedure code for Dilation of Nasopharynx, Via Natural or Artificial Opening. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 12 MS-DRGs. The root operation Dilation involves expanding an orifice or the lumen of a tubular body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under ENT procedures, NEC.

Code Identity

ICD-10-PCS Code
097N7ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Dilation of Nasopharynx, Via Natural or Artificial Opening
Short Description
Dilation of Nasopharynx, Via Natural or Artificial Opening
Same as the full description in the CMS dataset.
Parent Code
097

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
3Operation7Dilation
4BodyPartNNasopharynx
5Approach7Via Natural or Artificial Opening
6DeviceZNo Device
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

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

Choana
Anatomy or device term that leads here
Rhinopharynx
Anatomy or device term that leads here
Pharyngeal recess
Anatomy or device term that leads here
Dilation, Nasopharynx
Leads to this code's table
Fossa of Rosenmuller
Anatomy or device term that leads here

To code dilation of the nasopharynx, open the FY 2027 ICD-10-PCS Alphabetic Index at Dilation, then the subterm Nasopharynx. The index leads to table 097, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 097N7ZZ.

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

Code History

Replaces previously assigned code(s):
  • 09QN7ZZ — Repair Nasopharynx, Via Natural or Artificial Opening

Similar Procedure Codes

Questions About 097N7ZZ

Is 097N7ZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Nasopharynx, Via Natural or Artificial Opening on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 097N7ZZ 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 7 is the Operation (Dilation); the 4th character N is the BodyPart (Nasopharynx); the 5th character 7 is the Approach (Via Natural or Artificial Opening); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 097N7ZZ group to?

On an inpatient stay, Dilation of Nasopharynx, Via Natural or Artificial Opening maps to MS-DRGs 040, 041, 042, 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.