0CL Occlusion - Mouth and Throat ICD-10-PCS
The 0CL code range contains 27 ICD-10-PCS codes for Occlusion procedures on the mouth and throat. 26 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.
Root Operation Definition
Occlusion: Completely closing an orifice or the lumen of a tubular body part.
Codes in the 0CL Range 27 codes · 26 billable
- 0CL Mouth and Throat, OcclusionNon-billable header
- 0CLB0CZ Occlusion of Right Parotid Duct with Extraluminal Device, Open Approach
- 0CLB0DZ Occlusion of Right Parotid Duct with Intraluminal Device, Open Approach
- 0CLB0ZZ Occlusion of Right Parotid Duct, Open Approach
- 0CLB3CZ Occlusion of Right Parotid Duct with Extraluminal Device, Percutaneous Approach
- 0CLB3DZ Occlusion of Right Parotid Duct with Intraluminal Device, Percutaneous Approach
- 0CLB3ZZ Occlusion of Right Parotid Duct, Percutaneous Approach
- 0CLB4CZ Occlusion of Right Parotid Duct with Extraluminal Device, Percutaneous Endoscopic Approach
- 0CLB4DZ Occlusion of Right Parotid Duct with Intraluminal Device, Percutaneous Endoscopic Approach
- 0CLB4ZZ Occlusion of Right Parotid Duct, Percutaneous Endoscopic Approach
- 0CLB7DZ Occlusion of Right Parotid Duct with Intraluminal Device, Via Natural or Artificial Opening
- 0CLB7ZZ Occlusion of Right Parotid Duct, Via Natural or Artificial Opening
- 0CLB8DZ Occlusion of Right Parotid Duct with Intraluminal Device, Via Natural or Artificial Opening Endoscopic
- 0CLB8ZZ Occlusion of Right Parotid Duct, Via Natural or Artificial Opening Endoscopic
- 0CLC0CZ Occlusion of Left Parotid Duct with Extraluminal Device, Open Approach
- 0CLC0DZ Occlusion of Left Parotid Duct with Intraluminal Device, Open Approach
- 0CLC0ZZ Occlusion of Left Parotid Duct, Open Approach
- 0CLC3CZ Occlusion of Left Parotid Duct with Extraluminal Device, Percutaneous Approach
- 0CLC3DZ Occlusion of Left Parotid Duct with Intraluminal Device, Percutaneous Approach
- 0CLC3ZZ Occlusion of Left Parotid Duct, Percutaneous Approach
- 0CLC4CZ Occlusion of Left Parotid Duct with Extraluminal Device, Percutaneous Endoscopic Approach
- 0CLC4DZ Occlusion of Left Parotid Duct with Intraluminal Device, Percutaneous Endoscopic Approach
- 0CLC4ZZ Occlusion of Left Parotid Duct, Percutaneous Endoscopic Approach
- 0CLC7DZ Occlusion of Left Parotid Duct with Intraluminal Device, Via Natural or Artificial Opening
- 0CLC7ZZ Occlusion of Left Parotid Duct, Via Natural or Artificial Opening
- 0CLC8DZ Occlusion of Left Parotid Duct with Intraluminal Device, Via Natural or Artificial Opening Endoscopic
- 0CLC8ZZ Occlusion of Left Parotid Duct, Via Natural or Artificial Opening Endoscopic
About the 0CL Code Range
The ICD-10-PCS root operation Occlusion (0CL) refers to completely closing a body part to prevent the flow of fluids or the passage of other substances. In the Medical and Surgical section, this operation is applied to the Mouth and Throat body system, specifically targeting ducts such as the Right and Left Parotid Ducts.
This root operation includes various approaches and techniques to close these ducts. For example, occlusion can be performed through an Open Approach, a Percutaneous Approach, or through a Natural or Artificial Opening, sometimes using endoscopic assistance. Devices used to accomplish occlusion include Extraluminal or Intraluminal Devices. Specific codes such as 0CLB0CZ (occlusion of the right parotid duct with an extraluminal device via open approach) and 0CLC8DZ (occlusion of the left parotid duct with an intraluminal device via natural or artificial opening endoscopic) illustrate precise documentation options. Proper coding of mouth and throat occlusion procedures ensures accurate representation of interventions aimed at blocking fluid flow in targeted ducts.
Questions About This Page
How many billable codes are in the 0CL range?
Of the 27 codes in this range, 26 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 0CL range classify?
The range classifies Occlusion procedures, completely closing an orifice or the lumen of a tubular body part, 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.
