0CTX0Z2Resection of Lower Tooth, All, Open Approach

  • Billable / Specific Code
ICD-10-PCS 0CTX0Z2
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

0CTX0Z2 is a billable ICD-10-PCS procedure code for Resection of Lower Tooth, All, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Resection involves cutting out or off, without replacement, all of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Dental procedures.

Code Identity

ICD-10-PCS Code
0CTX0Z2
Billable Status
Yes — Valid for Submission
Code Describes
Resection of Lower Tooth, All, Open Approach
Short Description
Resection of Lower Tooth, All, Open Approach
Same as the full description in the CMS dataset.
Parent Code

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
3OperationTResection
4BodyPartXLower Tooth
5Approach0Open
6DeviceZNo Device
7Qualifier2All

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Leads to this code's table
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Resection, Tooth, Lower
Leads to this code's table
Sialoadenectomy, Complete
Leads to this code's table

To code resection of the lower tooth, open the FY 2027 ICD-10-PCS Alphabetic Index at Resection, then the subterms Tooth, Lower. The index leads to table 0CT, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0CTX0Z2.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

ENT015
Dental procedures
Clinical domain: Ear, Nose, and Throat Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

23.19
Other surgical extraction of tooth
Approximate match.

Similar Procedure Codes

Questions About 0CTX0Z2

Is 0CTX0Z2 a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Resection of Lower Tooth, All, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 0CTX0Z2 mean?

The code 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 T is the Operation (Resection); the 4th character X is the BodyPart (Lower Tooth); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character 2 is the Qualifier (All).

What is the ICD-9-PCS equivalent of 0CTX0Z2?

Under the General Equivalence Mappings, Resection of Lower Tooth, All, Open Approach crosswalks to ICD-9-PCS 23.19 (Other surgical extraction of tooth). The mapping is approximate, so confirm it fits the documentation.