0CN90ZZRelease Left Parotid Gland, Open Approach

  • Billable / Specific Code
ICD-10-PCS 0CN90ZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

0CN90ZZ is a billable ICD-10-PCS procedure code for Release Left Parotid Gland, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 6 MS-DRGs. The root operation Release involves freeing a body part from an abnormal physical constraint by cutting or by the use of force.

Code Identity

ICD-10-PCS Code
0CN90ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Release Left Parotid Gland, Open Approach
Parent Code
Short Description
Release Left Parotid Gland, Open Approach

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 SystemCMouth and Throat
3OperationNRelease
4BodyPart9Parotid Gland, Left
5Approach0Open
6DeviceZNo Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 0CN90ZZ under the General Equivalence Mappings.

26.49
Approximate match.

Similar Procedure Codes

Questions About 0CN90ZZ

Is 0CN90ZZ a billable code?

Yes. 0CN90ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Release Left Parotid Gland, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 0CN90ZZ mean?

0CN90ZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character C is the Body System (Mouth and Throat); the 3rd character N is the Operation (Release); the 4th character 9 is the BodyPart (Parotid Gland, Left); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 0CN90ZZ group to?

On an inpatient stay, Release Left Parotid Gland, Open Approach maps to MS-DRGs 907, 908, 909, 957, 958, 959, with relative weights from 1.3127 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 0CN90ZZ?

Under the General Equivalence Mappings, Release Left Parotid Gland, Open Approach crosswalks to ICD-9-PCS 26.49. The mapping is approximate, so confirm it fits the documentation.