ICD-10-PCS Tabular Index · Section 0 · FY 2026 0CN

0CN Release - Mouth and Throat ICD-10-PCS

The 0CN code range contains 89 ICD-10-PCS codes for Release procedures on the mouth and throat. 88 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
89
Procedure Codes
88
Billable Codes
0CN
Characters 1–3
0C
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 0CN Range 89 codes · 88 billable

89 of 89 shown
  • 0CN Mouth and Throat, ReleaseNon-billable header
  • 0CN00ZZ Release Upper Lip, Open Approach
  • 0CN03ZZ Release Upper Lip, Percutaneous Approach
  • 0CN0XZZ Release Upper Lip, External Approach
  • 0CN10ZZ Release Lower Lip, Open Approach
  • 0CN13ZZ Release Lower Lip, Percutaneous Approach
  • 0CN1XZZ Release Lower Lip, External Approach
  • 0CN20ZZ Release Hard Palate, Open Approach
  • 0CN23ZZ Release Hard Palate, Percutaneous Approach
  • 0CN2XZZ Release Hard Palate, External Approach
  • 0CN30ZZ Release Soft Palate, Open Approach
  • 0CN33ZZ Release Soft Palate, Percutaneous Approach
  • 0CN3XZZ Release Soft Palate, External Approach
  • 0CN40ZZ Release Buccal Mucosa, Open Approach
  • 0CN43ZZ Release Buccal Mucosa, Percutaneous Approach
  • 0CN4XZZ Release Buccal Mucosa, External Approach
  • 0CN50ZZ Release Upper Gingiva, Open Approach
  • 0CN53ZZ Release Upper Gingiva, Percutaneous Approach
  • 0CN5XZZ Release Upper Gingiva, External Approach
  • 0CN60ZZ Release Lower Gingiva, Open Approach
  • 0CN63ZZ Release Lower Gingiva, Percutaneous Approach
  • 0CN6XZZ Release Lower Gingiva, External Approach
  • 0CN70ZZ Release Tongue, Open Approach
  • 0CN73ZZ Release Tongue, Percutaneous Approach
  • 0CN7XZZ Release Tongue, External Approach
  • 0CN80ZZ Release Right Parotid Gland, Open Approach
  • 0CN83ZZ Release Right Parotid Gland, Percutaneous Approach
  • 0CN90ZZ Release Left Parotid Gland, Open Approach
  • 0CN93ZZ Release Left Parotid Gland, Percutaneous Approach
  • 0CNB0ZZ Release Right Parotid Duct, Open Approach
  • 0CNB3ZZ Release Right Parotid Duct, Percutaneous Approach
  • 0CNC0ZZ Release Left Parotid Duct, Open Approach
  • 0CNC3ZZ Release Left Parotid Duct, Percutaneous Approach
  • 0CND0ZZ Release Right Sublingual Gland, Open Approach
  • 0CND3ZZ Release Right Sublingual Gland, Percutaneous Approach
  • 0CNF0ZZ Release Left Sublingual Gland, Open Approach
  • 0CNF3ZZ Release Left Sublingual Gland, Percutaneous Approach
  • 0CNG0ZZ Release Right Submaxillary Gland, Open Approach
  • 0CNG3ZZ Release Right Submaxillary Gland, Percutaneous Approach
  • 0CNH0ZZ Release Left Submaxillary Gland, Open Approach
  • 0CNH3ZZ Release Left Submaxillary Gland, Percutaneous Approach
  • 0CNJ0ZZ Release Minor Salivary Gland, Open Approach
  • 0CNJ3ZZ Release Minor Salivary Gland, Percutaneous Approach
  • 0CNM0ZZ Release Pharynx, Open Approach
  • 0CNM3ZZ Release Pharynx, Percutaneous Approach
  • 0CNM4ZZ Release Pharynx, Percutaneous Endoscopic Approach
  • 0CNM7ZZ Release Pharynx, Via Natural or Artificial Opening
  • 0CNM8ZZ Release Pharynx, Via Natural or Artificial Opening Endoscopic
  • 0CNN0ZZ Release Uvula, Open Approach
  • 0CNN3ZZ Release Uvula, Percutaneous Approach
  • 0CNNXZZ Release Uvula, External Approach
  • 0CNP0ZZ Release Tonsils, Open Approach
  • 0CNP3ZZ Release Tonsils, Percutaneous Approach
  • 0CNPXZZ Release Tonsils, External Approach
  • 0CNQ0ZZ Release Adenoids, Open Approach
  • 0CNQ3ZZ Release Adenoids, Percutaneous Approach
  • 0CNQXZZ Release Adenoids, External Approach
  • 0CNR0ZZ Release Epiglottis, Open Approach
  • 0CNR3ZZ Release Epiglottis, Percutaneous Approach
  • 0CNR4ZZ Release Epiglottis, Percutaneous Endoscopic Approach
  • 0CNR7ZZ Release Epiglottis, Via Natural or Artificial Opening
  • 0CNR8ZZ Release Epiglottis, Via Natural or Artificial Opening Endoscopic
  • 0CNS0ZZ Release Larynx, Open Approach
  • 0CNS3ZZ Release Larynx, Percutaneous Approach
  • 0CNS4ZZ Release Larynx, Percutaneous Endoscopic Approach
  • 0CNS7ZZ Release Larynx, Via Natural or Artificial Opening
  • 0CNS8ZZ Release Larynx, Via Natural or Artificial Opening Endoscopic
  • 0CNT0ZZ Release Right Vocal Cord, Open Approach
  • 0CNT3ZZ Release Right Vocal Cord, Percutaneous Approach
  • 0CNT4ZZ Release Right Vocal Cord, Percutaneous Endoscopic Approach
  • 0CNT7ZZ Release Right Vocal Cord, Via Natural or Artificial Opening
  • 0CNT8ZZ Release Right Vocal Cord, Via Natural or Artificial Opening Endoscopic
  • 0CNV0ZZ Release Left Vocal Cord, Open Approach
  • 0CNV3ZZ Release Left Vocal Cord, Percutaneous Approach
  • 0CNV4ZZ Release Left Vocal Cord, Percutaneous Endoscopic Approach
  • 0CNV7ZZ Release Left Vocal Cord, Via Natural or Artificial Opening
  • 0CNV8ZZ Release Left Vocal Cord, Via Natural or Artificial Opening Endoscopic
  • 0CNW0Z0 Release Upper Tooth, Single, Open Approach
  • 0CNW0Z1 Release Upper Tooth, Multiple, Open Approach
  • 0CNW0Z2 Release Upper Tooth, All, Open Approach
  • 0CNWXZ0 Release Upper Tooth, Single, External Approach
  • 0CNWXZ1 Release Upper Tooth, Multiple, External Approach
  • 0CNWXZ2 Release Upper Tooth, All, External Approach
  • 0CNX0Z0 Release Lower Tooth, Single, Open Approach
  • 0CNX0Z1 Release Lower Tooth, Multiple, Open Approach
  • 0CNX0Z2 Release Lower Tooth, All, Open Approach
  • 0CNXXZ0 Release Lower Tooth, Single, External Approach
  • 0CNXXZ1 Release Lower Tooth, Multiple, External Approach
  • 0CNXXZ2 Release Lower Tooth, All, External Approach

About the 0CN Code Range

The ICD-10-PCS root operation Release (code 0CN) involves freeing a body part from an abnormal physical constraint by cutting or otherwise disrupting the structure that is restricting its normal movement. This procedure is classified under the Medical and Surgical section and primarily applies to parts within the Mouth and Throat area.

Release typically addresses conditions such as adhesions or constrictions limiting the function of oral and pharyngeal structures. The provided codes demonstrate how this operation can be performed on varied anatomical sites, including the Upper Lip (0CN00ZZ, Open Approach), Tongue (0CN70ZZ, Open Approach), the Parotid Gland (e.g., 0CN80ZZ, Open Approach), and even on specific teeth like the Upper Tooth, Single (0CNW0Z0, Open Approach). Multiple approaches such as Open, Percutaneous, and External are used to perform the release depending on the clinical context. Accurate use of these mouth and throat release codes is essential for documenting procedures that restore mobility and function by alleviating restrictive tissue.

Questions About This Page

How many billable codes are in the 0CN range?

Of the 89 codes in this range, 88 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 0CN 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 mouth and throat. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.

Related References

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