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ICD-10-PCS 2027 procedure code

0WF34ZZFragmentation in Oral Cavity and Throat, Percutaneous Endoscopic Approach

✓ Valid for 2027O.R. procedure

Short description: Fragmentation in Oral Cavity and Throat, Perc Endo Approach

Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 0WF34ZZ

0WF34ZZ is the ICD-10-PCS code for a fragmentation procedure on the oral cavity and throat using a percutaneous endoscopic approach. In ICD-10-PCS, fragmentation means breaking solid matter in a body part into pieces.

In plain terms, this corresponds to other plastic repair of mouth, the ICD-9-CM procedure title it maps to (27.59).

For a different body part, codes include 0WF14ZZ (cranial cavity), 0WF94ZZ (right pleural cavity), 0WFB4ZZ (left pleural cavity), 0WFC4ZZ (mediastinum), 0WFD4ZZ (pericardial cavity), 0WFG4ZZ (peritoneal cavity) and 4 more.

The same procedure with a different approach is coded 0WF30ZZ (open), 0WF33ZZ (percutaneous) and 0WF3XZZ (external).

It is an operating-room procedure in the MS-DRG logic for DRG 137 (Mouth Procedures with CC/MCC), DRG 138 (Mouth Procedures without CC/MCC), DRG 579 (Other Skin, Subcutaneous Tissue and Breast Procedures with MCC), DRG 580 (Other Skin, Subcutaneous Tissue and Breast Procedures with CC), DRG 581 (Other Skin, Subcutaneous Tissue and Breast Procedures without CC/MCC) and DRG 907 (Other O.R. Procedures for Injuries with MCC), under the surgical categories “Mouth Procedures”, “Other Skin, Subcutaneous Tissue and Breast Procedures”, “Other O.R. Procedures for Injuries” and 1 more.

It has been valid since ICD-10-PCS took effect on October 1, 2015.

What each character means

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

Breaking solid matter in a body part into pieces

Physical force (e.g., manual, ultrasonic) applied directly or indirectly is used to break the solid matter into pieces. The solid matter may be an abnormal byproduct of a biological function or a foreign body. The pieces of solid matter are not taken out

Includes: Extracorporeal shockwave lithotripsy, transurethral lithotripsy

4. Body Part
3Oral Cavity and Throat
5. Approach
4Percutaneous Endoscopic

Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach and visualize 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.

MDC 03 · Diseases and Disorders of the Ear, Nose, Mouth and Throat · Mouth Procedures

ICD-9-CM equivalent

Converter →
  • 27.59Other plastic repair of mouthapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

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
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about 0WF34ZZ

Is 0WF34ZZ a valid ICD-10-PCS code for 2027?

Yes. 0WF34ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0WF34ZZ an O.R. procedure?

Yes. 0WF34ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 0WF34ZZ group to?

Depending on the principal diagnosis, 0WF34ZZ can group to MS-DRG 137, MS-DRG 138, MS-DRG 579, MS-DRG 580, MS-DRG 581 and MS-DRG 907.

What is the ICD-9 procedure code for 0WF34ZZ?

The CMS GEMs map 0WF34ZZ to ICD-9-CM 27.59 (Other plastic repair of mouth).