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ICD-10-PCS 2027 procedure code

00W20KZRevision of Nonautologous Tissue Substitute in Dura Mater, Open Approach

✓ Valid for 2027O.R. procedure

Short description: Revision of Nonaut Sub in Dura Mater, Open Approach

Code last changed in FY2026 (effective October 1, 2025). Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 00W20KZ

00W20KZ is the ICD-10-PCS code for a revision procedure on the dura mater using an open approach with nonautologous tissue substitute. In ICD-10-PCS, revision means correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device.

For a different body part, codes include 00W00KZ (brain), 00WT0KZ (spinal meninges) and 00WV0KZ (spinal cord).

With a different device, use 00W207Z (autologous tissue substitute) and 00W20JZ (synthetic substitute).

It is an operating-room procedure in the MS-DRG logic for DRG 023 (Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Antineoplastic Implant or Epilepsy with Neurostimulator), DRG 024 (Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis without MCC), DRG 025 (Craniotomy and Endovascular Intracranial Procedures with MCC), DRG 026 (Craniotomy and Endovascular Intracranial Procedures with CC), DRG 027 (Craniotomy and Endovascular Intracranial Procedures without CC/MCC) and DRG 907 (Other O.R. Procedures for Injuries with MCC), under the surgical categories “Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis”, “Craniotomy and endovascular intracranial procedures”, “Other O.R. Procedures for Injuries” and 1 more.

It was added in FY2026, effective October 1, 2025.

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
2Dura Mater

Includes: Diaphragma sellae; Dura mater, intracranial; Falx cerebri; Tentorium cerebelli

5. Approach
0Open

Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

6. Device
KNonautologous Tissue Substitute

Includes: Acellular Hydrated Dermis; Bone bank bone graft; Cook Biodesign(R) Fistula Plug(s); Cook Biodesign(R) Hernia Graft(s); Cook Biodesign(R) Layered Graft(s); Cook Zenapro(tm) Layered Graft(s); Fish skin; Kerecis(R) (GraftGuide) (MariGen) (SurgiBind) (SurgiClose); MIRODERM(tm) Biologic Wound Matrix; Piscine skin; Tissue bank graft

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 24 · Multiple Significant Trauma · Craniotomy for Multiple Significant Trauma

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
  • FY2026 (effective 10/1/2025): Added
  • No changes since FY2026.

Common questions about 00W20KZ

Is 00W20KZ a valid ICD-10-PCS code for 2027?

Yes. 00W20KZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 00W20KZ an O.R. procedure?

Yes. 00W20KZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 00W20KZ group to?

Depending on the principal diagnosis, 00W20KZ can group to MS-DRG 023, MS-DRG 024, MS-DRG 025, MS-DRG 026, MS-DRG 027 and MS-DRG 907.