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ICD-10-PCS 2027 procedure code

00W0XMZRevision of Neurostimulator Lead in Brain, 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 00W0XMZ

00W0XMZ is the ICD-10-PCS code for a revision procedure on the brain using an external approach with neurostimulator lead. In ICD-10-PCS, revision means correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device.

In plain terms, this corresponds to other miscellaneous procedures, the ICD-9-CM procedure title it maps to (99.99).

For a different body part, codes include 00W6XMZ (cerebral ventricle), 00WEXMZ (cranial nerve), 00WUXMZ (spinal canal) and 00WVXMZ (spinal cord).

The same procedure with a different approach is coded 00W00MZ (open), 00W03MZ (percutaneous) and 00W04MZ (percutaneous endoscopic).

With a different device, use 00W0X0Z (drainage device), 00W0X2Z (monitoring device), 00W0X3Z (infusion device), 00W0X7Z (autologous tissue substitute), 00W0XJZ (synthetic substitute) and 00W0XKZ (nonautologous tissue substitute).

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
0Central Nervous System and Cranial Nerves
3. Operation
WRevision

Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device

Revision can include correcting a malfunctioning or displaced device by taking out or putting in components of the device such as a screw or pin

Includes: Adjustment of position of pacemaker lead, recementing of hip prosthesis

4. Body Part
0Brain

Includes: Cerebrum; Corpus callosum; Encephalon

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
MNeurostimulator Lead
7. Qualifier
ZNo Qualifier

Other versions of this procedure

ICD-9-CM equivalent

Converter →
  • 99.99Other miscellaneous proceduresapproximate

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 00W0XMZ

Is 00W0XMZ a valid ICD-10-PCS code for 2027?

Yes. 00W0XMZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

What is the ICD-9 procedure code for 00W0XMZ?

The CMS GEMs map 00W0XMZ to ICD-9-CM 99.99 (Other miscellaneous procedures).