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ICD-10-PCS 2027 procedure code

0W9G40ZDrainage of Peritoneal Cavity with Drainage Device, Percutaneous Endoscopic Approach

✓ Valid for 2027O.R. procedure

Short description: Drainage of Periton Cav with Drain Dev, Perc Endo Approach

Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 0W9G40Z

0W9G40Z is the ICD-10-PCS code for a drainage procedure on the peritoneal cavity using a percutaneous endoscopic approach with drainage device. In ICD-10-PCS, drainage means taking or letting out fluids and/or gases from a body part.

In plain terms, this corresponds to percutaneous abdominal drainage, the ICD-9-CM procedure title it maps to (54.91).

For a different body part, codes include 0W9040Z (head), 0W9140Z (cranial cavity), 0W9240Z (face), 0W9340Z (oral cavity and throat), 0W9440Z (upper jaw), 0W9540Z (lower jaw) and 13 more.

The same procedure with a different approach is coded 0W9G00Z (open) and 0W9G30Z (percutaneous).

With a different device, use 0W9G4ZZ (no device).

It is an operating-room procedure in the MS-DRG logic for DRG 356 (Other Digestive System O.R. Procedures with MCC), DRG 357 (Other Digestive System O.R. Procedures with CC), DRG 358 (Other Digestive System O.R. Procedures without CC/MCC), DRG 420 (Hepatobiliary Diagnostic Procedures with MCC), DRG 421 (Hepatobiliary Diagnostic Procedures with CC) and DRG 422 (Hepatobiliary Diagnostic Procedures without CC/MCC), under the surgical categories “Other Digestive System O.R. Procedures”, “Hepatobiliary Diagnostic Procedures”, “Other Kidney and Urinary Tract Procedures” and 5 more.

It has been valid since ICD-10-PCS took effect on October 1, 2015.

What each character means

1. Section
0Medical and Surgical
2. Body System
WAnatomical Regions, General
3. Operation
9Drainage

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

The qualifier DIAGNOSTIC is used to identify drainage procedures that are biopsies

Includes: Thoracentesis, incision and drainage

4. Body Part
GPeritoneal Cavity

Includes: Abdominal cavity; Gallbladder fossa

5. Approach
4Percutaneous Endoscopic

Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach and visualize the site of the procedure

6. Device
0Drainage Device

Includes: Cystostomy tube; Foley catheter; Percutaneous nephrostomy catheter; Thoracostomy tube

7. Qualifier
ZNo Qualifier

Other versions of this procedure

Different device

MS-DRG v44.0 grouping

All DRGs →

Surgical MS-DRGs this procedure can group to, depending on the principal diagnosis's MDC.

MDC 13 · Diseases and Disorders of the Female Reproductive System · Other Female Reproductive System O.R. Procedures

ICD-9-CM equivalent

Converter →
  • 54.91Percutaneous abdominal drainageapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

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
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about 0W9G40Z

Is 0W9G40Z a valid ICD-10-PCS code for 2027?

Yes. 0W9G40Z is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0W9G40Z an O.R. procedure?

Yes. 0W9G40Z is an O.R. procedure in MS-DRG v44.0.

What DRG does 0W9G40Z group to?

Depending on the principal diagnosis, 0W9G40Z can group to MS-DRG 356, MS-DRG 357, MS-DRG 358, MS-DRG 420, MS-DRG 421 and MS-DRG 422.

What is the ICD-9 procedure code for 0W9G40Z?

The CMS GEMs map 0W9G40Z to ICD-9-CM 54.91 (Percutaneous abdominal drainage).