00R20KZReplacement of Dura Mater with Nonautologous Tissue Substitute, Open Approach

  • Billable / Specific Code
ICD-10-PCS 00R20KZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

00R20KZ is a billable ICD-10-PCS procedure code for Replacement of Dura Mater with Nonautologous Tissue Substitute, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 8 MS-DRGs. The root operation Replacement involves putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part.

Code Identity

ICD-10-PCS Code
00R20KZ
Billable Status
Yes — Valid for Submission
Code Describes
Replacement of Dura Mater with Nonautologous Tissue Substitute, Open Approach
Parent Code
Short Description
Replacement of Dura Mater with Nonaut Sub, Open Approach

PCS Table Breakdown

Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System0Central Nervous System and Cranial Nerves
3OperationRReplacement
4BodyPart2Dura Mater
5Approach0Open
6DeviceKNonautologous Tissue Substitute
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 00R20KZ under the General Equivalence Mappings.

21.2
Approximate match.

Code History

Replaces previously assigned code(s):
  • 00Q20ZZ — Repair Dura Mater, Open Approach

Similar Procedure Codes

Questions About 00R20KZ

Is 00R20KZ a billable code?

Yes. 00R20KZ is a complete seven-character ICD-10-PCS code, specific enough to report Replacement of Dura Mater with Nonautologous Tissue Substitute, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 00R20KZ mean?

00R20KZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 0 is the Body System (Central Nervous System and Cranial Nerves); the 3rd character R is the Operation (Replacement); the 4th character 2 is the BodyPart (Dura Mater); the 5th character 0 is the Approach (Open); the 6th character K is the Device (Nonautologous Tissue Substitute); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 00R20KZ group to?

On an inpatient stay, Replacement of Dura Mater with Nonautologous Tissue Substitute, Open Approach maps to MS-DRGs 023, 024, 025, 026, 027, 907, 908, 909, with relative weights from 1.3127 to 5.7303. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 00R20KZ?

Under the General Equivalence Mappings, Replacement of Dura Mater with Nonautologous Tissue Substitute, Open Approach crosswalks to ICD-9-PCS 21.2. The mapping is approximate, so confirm it fits the documentation.