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ICD-10-PCS 2027 procedure code

0NH035ZInsertion of External Fixation Device into Skull, Percutaneous Approach

✓ Valid for 2027

Short description: Insertion of Ext Fix into Skull, 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 0NH035Z

0NH035Z is the ICD-10-PCS code for a insertion procedure on the skull using a percutaneous approach with external fixation device. In ICD-10-PCS, insertion means 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.

In plain terms, this corresponds to other immobilization, pressure, and attention to wound, the ICD-9-CM procedure title it maps to (93.59).

For a different body part, codes include 0NHR35Z (maxilla), 0NHT35Z (right mandible) and 0NHV35Z (left mandible).

The same procedure with a different approach is coded 0NH005Z (open) and 0NH045Z (percutaneous endoscopic).

With a different device, use 0NH033Z (infusion device), 0NH034Z (internal fixation device) and 0NH03MZ (bone growth stimulator).

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
HInsertion

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

Includes: Insertion of radioactive implant, insertion of central venous catheter

4. Body Part
0Skull
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 →
  • 93.59Other immobilization, pressure, and attention to woundapproximate

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 0NH035Z

Is 0NH035Z a valid ICD-10-PCS code for 2027?

Yes. 0NH035Z is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

What is the ICD-9 procedure code for 0NH035Z?

The CMS GEMs map 0NH035Z to ICD-9-CM 93.59 (Other immobilization, pressure, and attention to wound).