Skip to main content
ICD-10-PCS/0WH/0WH40YZ
Inpatient Procedure Code

0WH40YZ

Insertion of Other Device into Upper Jaw, 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 OperationH

Insertion

Putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part

4
Body Part4

Upper Jaw

5
Approach0

Open

6
DeviceY

Other Device

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 0WH40YZ 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

  • 0WH[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)”

Nearest codes

  • 0WH00YZ — Insertion of Other Device into Head, Open Approach [One axis away]
  • 0WH10YZ — Insertion of Other Device into Cranial Cavity, Open Approach [One axis away]
  • 0WH20YZ — Insertion of Other Device into Face, Open Approach [One axis away]
  • 0WH30YZ — Insertion of Other Device into Oral Cavity and Throat, Open Approach [One axis away]
  • 0WH401Z — Insertion of Radioactive Element into Upper Jaw, Open Approach [One axis away]
  • 0WH403Z — Insertion of Infusion Device into Upper Jaw, Open Approach [One axis away]
  • 0WH43YZ — Insertion of Other Device into Upper Jaw, Percutaneous Approach [One axis away]
  • 0WH44YZ — Insertion of Other Device into Upper Jaw, Percutaneous Endoscopic Approach [One axis away]

Change history

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