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ICD-10-PCS 2027 procedure code

0WC40ZZExtirpation of Matter from Upper Jaw, Open Approach

✓ Valid for 2027O.R. procedure

Code last changed in FY2020 (effective October 1, 2019). Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 0WC40ZZ

0WC40ZZ is the ICD-10-PCS code for a extirpation procedure on the upper jaw using an open approach. In ICD-10-PCS, extirpation means taking or cutting out solid matter from a body part.

For a different body part, codes include 0WC10ZZ (cranial cavity), 0WC30ZZ (oral cavity and throat), 0WC50ZZ (lower jaw), 0WC90ZZ (right pleural cavity), 0WCB0ZZ (left pleural cavity), 0WCC0ZZ (mediastinum) and 7 more.

The same procedure with a different approach is coded 0WC43ZZ (percutaneous) and 0WC44ZZ (percutaneous endoscopic).

It is an operating-room procedure in the MS-DRG logic for DRG 143 (Other Ear, Nose, Mouth and Throat O.R. Procedures with MCC), DRG 144 (Other Ear, Nose, Mouth and Throat O.R. Procedures with CC) and DRG 145 (Other Ear, Nose, Mouth and Throat O.R. Procedures without CC/MCC), under the surgical category “Other Ear, Nose, Mouth and Throat O.R. Procedures”.

It was added in FY2020, effective October 1, 2019.

What each character means

1. Section
0Medical and Surgical
2. Body System
WAnatomical Regions, General
3. Operation
CExtirpation

Taking or cutting out solid matter from a body part

The solid matter may be an abnormal byproduct of a biological function or a foreign body; it may be imbedded in a body part or in the lumen of a tubular body part. The solid matter may or may not have been previously broken into pieces

Includes: Thrombectomy, choledocholithotomy

4. Body Part
4Upper Jaw
5. Approach
0Open

Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

6. Device
ZNo Device
7. Qualifier
ZNo Qualifier

Other versions of this procedure

MS-DRG v44.0 grouping

All DRGs →

Surgical MS-DRGs this procedure can group to, depending on the principal diagnosis's MDC.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2020 (effective 10/1/2019): Added
  • No changes since FY2020.

Common questions about 0WC40ZZ

Is 0WC40ZZ a valid ICD-10-PCS code for 2027?

Yes. 0WC40ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0WC40ZZ an O.R. procedure?

Yes. 0WC40ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 0WC40ZZ group to?

Depending on the principal diagnosis, 0WC40ZZ can group to MS-DRG 143, MS-DRG 144 and MS-DRG 145.