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ICD-10-PCS/0WW/0WW00KZ
Inpatient Procedure Code

0WW00KZ

Revision of Nonautologous Tissue Substitute in Head, Open Approach

Revision of Nonaut Sub in Head, Open Approach

Axis Breakdown

Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.

PositionValueMeaning
1
Section0

Medical and Surgical

2
Body SystemW

Anatomical Regions, General

3
Root OperationW

Revision

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

4
Body Part0

Head

5
Approach0

Open

6
DeviceK

Nonautologous Tissue Substitute

7
QualifierZ

No Qualifier

Potential MS-DRG Relationships (FY2026)

The MS-DRG grouper treats this as a non-operating-room procedure. It appears in the surgical logic of 3 MS-DRGs:

From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.

Contextual Map

Every relationship of 0WW00KZ in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

PCS table

  • 0WW[PCS table]
  • [object Object] — Section: [object Object] [Section]: “[object Object]”
  • [object Object] — Body System: [object Object] [Body System]: “[object Object]”
  • [object Object] — Operation: [object Object] [Operation]: “[object Object]”

MS-DRG participation

  • DRG 579 — OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH MCC [MS-DRG]: “OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH MCC — Other Skin, Subcutaneous Tissue and Breast Procedures (MDC 09)”
  • DRG 580 — OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH CC [MS-DRG]: “OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH CC — Other Skin, Subcutaneous Tissue and Breast Procedures (MDC 09)”
  • DRG 581 — OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITHOUT CC/MCC [MS-DRG]: “OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITHOUT CC/MCC — Other Skin, Subcutaneous Tissue and Breast Procedures (MDC 09)”

Change history

No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.