0C520ZZDestruction of Hard Palate, Open Approach

  • Billable / Specific Code
ICD-10-PCS 0C520ZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

0C520ZZ is a billable ICD-10-PCS procedure code for Destruction of Hard Palate, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 137, 138. The root operation Destruction involves physical eradication of all or a portion of a body part by the direct use of energy, force, or a destructive agent.

Code Identity

ICD-10-PCS Code
0C520ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Destruction of Hard Palate, Open Approach
Parent Code
Short Description
Destruction of Hard Palate, 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
3Operation5Destruction
4BodyPart2Hard Palate
5Approach0Open
6DeviceZNo Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 0C520ZZ under the General Equivalence Mappings.

27.31
Approximate match.

Similar Procedure Codes

Questions About 0C520ZZ

Is 0C520ZZ a billable code?

Yes. 0C520ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Destruction of Hard Palate, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 0C520ZZ mean?

0C520ZZ 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 5 is the Operation (Destruction); the 4th character 2 is the BodyPart (Hard Palate); 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 0C520ZZ group to?

On an inpatient stay, Destruction of Hard Palate, Open Approach maps to MS-DRGs 137, 138, with relative weights from 0.8862 to 1.4932. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 0C520ZZ?

Under the General Equivalence Mappings, Destruction of Hard Palate, Open Approach crosswalks to ICD-9-PCS 27.31. The mapping is approximate, so confirm it fits the documentation.