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ICD-10-PCS 2027 procedure code

0NST35ZReposition Right Mandible with External Fixation Device, Percutaneous Approach

✓ Valid for 2027

Short description: Reposition Right Mandible with Ext Fix, Perc 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 0NST35Z

0NST35Z is the ICD-10-PCS code for a reposition procedure on the right mandible using a percutaneous approach with external fixation device. In ICD-10-PCS, reposition means moving to its normal location, or other suitable location, all or a portion of a body part.

In plain terms, this corresponds to closed reduction of mandibular fracture, the ICD-9-CM procedure title it maps to (76.75).

For a different body part, codes include 0NS035Z (skull), 0NSR35Z (maxilla) and 0NSV35Z (left mandible).

The same procedure with a different approach is coded 0NST05Z (open) and 0NST45Z (percutaneous endoscopic).

With a different device, use 0NST34Z (internal fixation device) and 0NST3ZZ (no device).

It doesn't appear in the MS-DRG procedure index, so on its own it doesn't change the DRG assignment.

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
NHead and Facial Bones
3. Operation
SReposition

Moving to its normal location, or other suitable location, all or a portion of a body part

The body part is moved to a new location from an abnormal location, or from a normal location where it is not functioning correctly. The body part may or may not be cut out or off to be moved to the new location

Includes: Reposition of undescended testicle, fracture reduction

4. Body Part
TMandible, Right
5. Approach
3Percutaneous

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

6. Device
5External Fixation Device
7. Qualifier
ZNo Qualifier

Other versions of this procedure

ICD-9-CM equivalent

Converter →
  • 76.75Closed reduction of mandibular fractureapproximate

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 0NST35Z

Is 0NST35Z a valid ICD-10-PCS code for 2027?

Yes. 0NST35Z is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

What is the ICD-9 procedure code for 0NST35Z?

The CMS GEMs map 0NST35Z to ICD-9-CM 76.75 (Closed reduction of mandibular fracture).