ICD-10-PCS Tabular Index · Section 0 · FY 2026 09N

09N Release - Ear, Nose, Sinus ICD-10-PCS

The 09N code range contains 116 ICD-10-PCS codes for Release procedures on the ear, nose, sinus. 115 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.

✓ Built from the official CMS FY 2026 datasetEffective Oct 1, 2025 – Sep 30, 2026
116
Procedure Codes
115
Billable Codes
09N
Characters 1–3
09
Parent Body System

Root Operation Definition

Release: Freeing a body part from an abnormal physical constraint by cutting or by use of force.

ICD-10-PCS

Codes in the 09N Range 116 codes · 115 billable

116 of 116 shown
  • 09N Ear, Nose, Sinus, ReleaseNon-billable header
  • 09N00ZZ Release Right External Ear, Open Approach
  • 09N03ZZ Release Right External Ear, Percutaneous Approach
  • 09N04ZZ Release Right External Ear, Percutaneous Endoscopic Approach
  • 09N0XZZ Release Right External Ear, External Approach
  • 09N10ZZ Release Left External Ear, Open Approach
  • 09N13ZZ Release Left External Ear, Percutaneous Approach
  • 09N14ZZ Release Left External Ear, Percutaneous Endoscopic Approach
  • 09N1XZZ Release Left External Ear, External Approach
  • 09N30ZZ Release Right External Auditory Canal, Open Approach
  • 09N33ZZ Release Right External Auditory Canal, Percutaneous Approach
  • 09N34ZZ Release Right External Auditory Canal, Percutaneous Endoscopic Approach
  • 09N37ZZ Release Right External Auditory Canal, Via Natural or Artificial Opening
  • 09N38ZZ Release Right External Auditory Canal, Via Natural or Artificial Opening Endoscopic
  • 09N3XZZ Release Right External Auditory Canal, External Approach
  • 09N40ZZ Release Left External Auditory Canal, Open Approach
  • 09N43ZZ Release Left External Auditory Canal, Percutaneous Approach
  • 09N44ZZ Release Left External Auditory Canal, Percutaneous Endoscopic Approach
  • 09N47ZZ Release Left External Auditory Canal, Via Natural or Artificial Opening
  • 09N48ZZ Release Left External Auditory Canal, Via Natural or Artificial Opening Endoscopic
  • 09N4XZZ Release Left External Auditory Canal, External Approach
  • 09N50ZZ Release Right Middle Ear, Open Approach
  • 09N58ZZ Release Right Middle Ear, Via Natural or Artificial Opening Endoscopic
  • 09N60ZZ Release Left Middle Ear, Open Approach
  • 09N68ZZ Release Left Middle Ear, Via Natural or Artificial Opening Endoscopic
  • 09N70ZZ Release Right Tympanic Membrane, Open Approach
  • 09N73ZZ Release Right Tympanic Membrane, Percutaneous Approach
  • 09N74ZZ Release Right Tympanic Membrane, Percutaneous Endoscopic Approach
  • 09N77ZZ Release Right Tympanic Membrane, Via Natural or Artificial Opening
  • 09N78ZZ Release Right Tympanic Membrane, Via Natural or Artificial Opening Endoscopic
  • 09N80ZZ Release Left Tympanic Membrane, Open Approach
  • 09N83ZZ Release Left Tympanic Membrane, Percutaneous Approach
  • 09N84ZZ Release Left Tympanic Membrane, Percutaneous Endoscopic Approach
  • 09N87ZZ Release Left Tympanic Membrane, Via Natural or Artificial Opening
  • 09N88ZZ Release Left Tympanic Membrane, Via Natural or Artificial Opening Endoscopic
  • 09N90ZZ Release Right Auditory Ossicle, Open Approach
  • 09N98ZZ Release Right Auditory Ossicle, Via Natural or Artificial Opening Endoscopic
  • 09NA0ZZ Release Left Auditory Ossicle, Open Approach
  • 09NA8ZZ Release Left Auditory Ossicle, Via Natural or Artificial Opening Endoscopic
  • 09NB0ZZ Release Right Mastoid Sinus, Open Approach
  • 09NB3ZZ Release Right Mastoid Sinus, Percutaneous Approach
  • 09NB4ZZ Release Right Mastoid Sinus, Percutaneous Endoscopic Approach
  • 09NB8ZZ Release Right Mastoid Sinus, Via Natural or Artificial Opening Endoscopic
  • 09NC0ZZ Release Left Mastoid Sinus, Open Approach
  • 09NC3ZZ Release Left Mastoid Sinus, Percutaneous Approach
  • 09NC4ZZ Release Left Mastoid Sinus, Percutaneous Endoscopic Approach
  • 09NC8ZZ Release Left Mastoid Sinus, Via Natural or Artificial Opening Endoscopic
  • 09ND0ZZ Release Right Inner Ear, Open Approach
  • 09ND8ZZ Release Right Inner Ear, Via Natural or Artificial Opening Endoscopic
  • 09NE0ZZ Release Left Inner Ear, Open Approach
  • 09NE8ZZ Release Left Inner Ear, Via Natural or Artificial Opening Endoscopic
  • 09NF0ZZ Release Right Eustachian Tube, Open Approach
  • 09NF3ZZ Release Right Eustachian Tube, Percutaneous Approach
  • 09NF4ZZ Release Right Eustachian Tube, Percutaneous Endoscopic Approach
  • 09NF7ZZ Release Right Eustachian Tube, Via Natural or Artificial Opening
  • 09NF8ZZ Release Right Eustachian Tube, Via Natural or Artificial Opening Endoscopic
  • 09NG0ZZ Release Left Eustachian Tube, Open Approach
  • 09NG3ZZ Release Left Eustachian Tube, Percutaneous Approach
  • 09NG4ZZ Release Left Eustachian Tube, Percutaneous Endoscopic Approach
  • 09NG7ZZ Release Left Eustachian Tube, Via Natural or Artificial Opening
  • 09NG8ZZ Release Left Eustachian Tube, Via Natural or Artificial Opening Endoscopic
  • 09NK0ZZ Release Nasal Mucosa and Soft Tissue, Open Approach
  • 09NK3ZZ Release Nasal Mucosa and Soft Tissue, Percutaneous Approach
  • 09NK4ZZ Release Nasal Mucosa and Soft Tissue, Percutaneous Endoscopic Approach
  • 09NK8ZZ Release Nasal Mucosa and Soft Tissue, Via Natural or Artificial Opening Endoscopic
  • 09NKXZZ Release Nasal Mucosa and Soft Tissue, External Approach
  • 09NL0ZZ Release Nasal Turbinate, Open Approach
  • 09NL3ZZ Release Nasal Turbinate, Percutaneous Approach
  • 09NL4ZZ Release Nasal Turbinate, Percutaneous Endoscopic Approach
  • 09NL7ZZ Release Nasal Turbinate, Via Natural or Artificial Opening
  • 09NL8ZZ Release Nasal Turbinate, Via Natural or Artificial Opening Endoscopic
  • 09NM0ZZ Release Nasal Septum, Open Approach
  • 09NM3ZZ Release Nasal Septum, Percutaneous Approach
  • 09NM4ZZ Release Nasal Septum, Percutaneous Endoscopic Approach
  • 09NM8ZZ Release Nasal Septum, Via Natural or Artificial Opening Endoscopic
  • 09NN0ZZ Release Nasopharynx, Open Approach
  • 09NN3ZZ Release Nasopharynx, Percutaneous Approach
  • 09NN4ZZ Release Nasopharynx, Percutaneous Endoscopic Approach
  • 09NN7ZZ Release Nasopharynx, Via Natural or Artificial Opening
  • 09NN8ZZ Release Nasopharynx, Via Natural or Artificial Opening Endoscopic
  • 09NP0ZZ Release Accessory Sinus, Open Approach
  • 09NP3ZZ Release Accessory Sinus, Percutaneous Approach
  • 09NP4ZZ Release Accessory Sinus, Percutaneous Endoscopic Approach
  • 09NP8ZZ Release Accessory Sinus, Via Natural or Artificial Opening Endoscopic
  • 09NQ0ZZ Release Right Maxillary Sinus, Open Approach
  • 09NQ3ZZ Release Right Maxillary Sinus, Percutaneous Approach
  • 09NQ4ZZ Release Right Maxillary Sinus, Percutaneous Endoscopic Approach
  • 09NQ8ZZ Release Right Maxillary Sinus, Via Natural or Artificial Opening Endoscopic
  • 09NR0ZZ Release Left Maxillary Sinus, Open Approach
  • 09NR3ZZ Release Left Maxillary Sinus, Percutaneous Approach
  • 09NR4ZZ Release Left Maxillary Sinus, Percutaneous Endoscopic Approach
  • 09NR8ZZ Release Left Maxillary Sinus, Via Natural or Artificial Opening Endoscopic
  • 09NS0ZZ Release Right Frontal Sinus, Open Approach
  • 09NS3ZZ Release Right Frontal Sinus, Percutaneous Approach
  • 09NS4ZZ Release Right Frontal Sinus, Percutaneous Endoscopic Approach
  • 09NS8ZZ Release Right Frontal Sinus, Via Natural or Artificial Opening Endoscopic
  • 09NT0ZZ Release Left Frontal Sinus, Open Approach
  • 09NT3ZZ Release Left Frontal Sinus, Percutaneous Approach
  • 09NT4ZZ Release Left Frontal Sinus, Percutaneous Endoscopic Approach
  • 09NT8ZZ Release Left Frontal Sinus, Via Natural or Artificial Opening Endoscopic
  • 09NU0ZZ Release Right Ethmoid Sinus, Open Approach
  • 09NU3ZZ Release Right Ethmoid Sinus, Percutaneous Approach
  • 09NU4ZZ Release Right Ethmoid Sinus, Percutaneous Endoscopic Approach
  • 09NU8ZZ Release Right Ethmoid Sinus, Via Natural or Artificial Opening Endoscopic
  • 09NV0ZZ Release Left Ethmoid Sinus, Open Approach
  • 09NV3ZZ Release Left Ethmoid Sinus, Percutaneous Approach
  • 09NV4ZZ Release Left Ethmoid Sinus, Percutaneous Endoscopic Approach
  • 09NV8ZZ Release Left Ethmoid Sinus, Via Natural or Artificial Opening Endoscopic
  • 09NW0ZZ Release Right Sphenoid Sinus, Open Approach
  • 09NW3ZZ Release Right Sphenoid Sinus, Percutaneous Approach
  • 09NW4ZZ Release Right Sphenoid Sinus, Percutaneous Endoscopic Approach
  • 09NW8ZZ Release Right Sphenoid Sinus, Via Natural or Artificial Opening Endoscopic
  • 09NX0ZZ Release Left Sphenoid Sinus, Open Approach
  • 09NX3ZZ Release Left Sphenoid Sinus, Percutaneous Approach
  • 09NX4ZZ Release Left Sphenoid Sinus, Percutaneous Endoscopic Approach
  • 09NX8ZZ Release Left Sphenoid Sinus, Via Natural or Artificial Opening Endoscopic

About the 09N Code Range

The ICD-10-PCS root operation Release (code 09N) involves freeing a body part from an abnormal constraint by cutting or otherwise removing the cause of the restriction. This procedure is part of the Medical and Surgical section and targets structures within the Ear, Nose, and Sinus body system.

Release procedures are intended to restore mobility or function by alleviating adhesions or strictures. The provided codes demonstrate its application to various body parts such as the External Ear, External Auditory Canal, Middle Ear, Tympanic Membrane, and Mastoid Sinus. Approaches range from Open and Percutaneous to Endoscopic and External. For example, 09N00ZZ describes release of the right external ear via an open approach, while 09N34ZZ codes release of the right external auditory canal using a percutaneous endoscopic method. Understanding these ICD-10-PCS Release codes for Ear, Nose, and Sinus ensures precise procedural documentation reflecting the specific site and approach of the release intervention.

Questions About This Page

How many billable codes are in the 09N range?

Of the 116 codes in this range, 115 are billable and valid for inpatient claim submission from October 1, 2025 through September 30, 2026. Table header codes group them but cannot be reported on claims.

What does the 09N range classify?

The range classifies Release procedures, freeing a body part from an abnormal physical constraint by cutting or by use of force, performed on the ear, nose, sinus. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.

Related References

All ICD-10-PCS SectionsAll of Medical and Surgical (0)All of Body System 09ICD-10-PCS Code LookupICD-10-CM Codes ListMS-DRG ReferenceMedicare Code Edits

Source: CMS FY 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.