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ICD-10-PCS 2027 procedure code

0NQ5XZZRepair Right Temporal Bone, External Approach

✓ Valid for 2027

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 0NQ5XZZ

0NQ5XZZ is the ICD-10-PCS code for a repair procedure on the right temporal bone using an external approach. In ICD-10-PCS, repair means restoring, to the extent possible, a body part to its normal anatomic structure and function.

In plain terms, this corresponds to other cranial osteoplasty, the ICD-9-CM procedure title it maps to (02.06).

For a different body part, codes include 0NQ0XZZ (skull), 0NQ1XZZ (frontal bone), 0NQ3XZZ (right parietal bone), 0NQ4XZZ (left parietal bone), 0NQ6XZZ (left temporal bone), 0NQ7XZZ (occipital bone) and 16 more.

The same procedure with a different approach is coded 0NQ50ZZ (open), 0NQ53ZZ (percutaneous) and 0NQ54ZZ (percutaneous endoscopic).

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
QRepair

Restoring, to the extent possible, a body part to its normal anatomic structure and function

Used only when the method to accomplish the repair is not one of the other root operations

Includes: Colostomy takedown, suture of laceration

4. Body Part
5Temporal Bone, Right
5. Approach
XExternal

Procedures performed directly on the skin or mucous membrane and procedures performed indirectly by the application of external force through the skin or mucous membrane

6. Device
ZNo Device
7. Qualifier
ZNo Qualifier

Other versions of this procedure

ICD-9-CM equivalent

Converter →
  • 02.06Other cranial osteoplastyapproximate

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 0NQ5XZZ

Is 0NQ5XZZ a valid ICD-10-PCS code for 2027?

Yes. 0NQ5XZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

What is the ICD-9 procedure code for 0NQ5XZZ?

The CMS GEMs map 0NQ5XZZ to ICD-9-CM 02.06 (Other cranial osteoplasty).