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ICD-10-PCS/0W9/0W9040Z
Inpatient Procedure Code

0W9040Z

Drainage of Head with Drainage Device, Percutaneous Endoscopic Approach

Drainage of Head with Drainage Device, Perc Endo 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 Operation9

Drainage

Taking or letting out fluids and/or gases from a body part

4
Body Part0

Head

5
Approach4

Percutaneous Endoscopic

6
Device0

Drainage Device

7
QualifierZ

No Qualifier

Contextual Map

Every relationship of 0W9040Z 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

  • 0W9[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]”

Nearest codes

  • 0W9000Z — Drainage of Head with Drainage Device, Open Approach [One axis away]
  • 0W9030Z — Drainage of Head with Drainage Device, Percutaneous Approach [One axis away]
  • 0W904ZZ — Drainage of Head, Percutaneous Endoscopic Approach [One axis away]
  • 0W9140Z — Drainage of Cranial Cavity with Drainage Device, Percutaneous Endoscopic Approach [One axis away]
  • 0W9240Z — Drainage of Face with Drainage Device, Percutaneous Endoscopic Approach [One axis away]
  • 0W9340Z — Drainage of Oral Cavity and Throat with Drainage Device, Percutaneous Endoscopic Approach [One axis away]
  • 0W9440Z — Drainage of Upper Jaw with Drainage Device, Percutaneous Endoscopic Approach [One axis away]
  • 0W9540Z — Drainage of Lower Jaw with Drainage Device, Percutaneous Endoscopic Approach [One axis away]

Change history

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