0CHY0YZInsertion of Other Device into Mouth and Throat, Open Approach

Medical and Surgical›Mouth and Throat›Insertion
  • Billable / Specific Code
ICD-10-PCS 0CHY0YZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

0CHY0YZ is a billable ICD-10-PCS procedure code for Insertion of Other Device into Mouth and Throat, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Insertion involves putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part.

Code Identity

ICD-10-PCS Code
0CHY0YZ
Billable Status
Yes — Valid for Submission
Code Describes
Insertion of Other Device into Mouth and Throat, Open Approach
Parent Code
0CH
Short Description
Insertion of Other Device into Mouth/Throat, 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
3OperationHInsertion
4BodyPartYMouth and Throat
5Approach0Open
6DeviceYOther Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 0CHY0YZ under the General Equivalence Mappings.

31.99
Approximate match.

Code History

Replaced in the FY 2026 code set by:
  • 0CHY01Z — Insertion of Radioact Elem into Mouth/Throat, Open Approach

Similar Procedure Codes

Questions About 0CHY0YZ

Is 0CHY0YZ a billable code?

Yes. 0CHY0YZ is a complete seven-character ICD-10-PCS code, specific enough to report Insertion of Other Device into Mouth and Throat, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 0CHY0YZ mean?

0CHY0YZ 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 H is the Operation (Insertion); the 4th character Y is the BodyPart (Mouth and Throat); the 5th character 0 is the Approach (Open); the 6th character Y is the Device (Other Device); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 0CHY0YZ?

Under the General Equivalence Mappings, Insertion of Other Device into Mouth and Throat, Open Approach crosswalks to ICD-9-PCS 31.99. The mapping is approximate, so confirm it fits the documentation.