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ICD-10-PCS 2027 procedure code

0W9J0ZZDrainage of Pelvic Cavity, Open Approach

✓ Valid for 2027O.R. procedure

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 0W9J0ZZ

0W9J0ZZ is the ICD-10-PCS code for a drainage procedure on the pelvic cavity using an open approach. In ICD-10-PCS, drainage means taking or letting out fluids and/or gases from a body part.

In plain terms, this corresponds to incision of peritoneum, the ICD-9-CM procedure title it maps to (54.95).

For a different body part, codes include 0W900ZZ (head), 0W910ZZ (cranial cavity), 0W920ZZ (face), 0W930ZZ (oral cavity and throat), 0W940ZZ (upper jaw), 0W950ZZ (lower jaw) and 13 more.

The same procedure with a different approach is coded 0W9J3ZZ (percutaneous), 0W9J4ZZ (percutaneous endoscopic), 0W9J7ZZ (via natural or artificial opening) and 0W9J8ZZ (via natural or artificial opening endoscopic).

With a different device, use 0W9J00Z (drainage device).

It is an operating-room procedure in the MS-DRG logic for DRG 040 (Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC), DRG 041 (Peripheral, Cranial Nerve and Other Nervous System Procedures with CC or Peripheral Neurostimulator), DRG 042 (Peripheral, Cranial Nerve and Other Nervous System Procedures without CC/MCC), DRG 361 (Other Circulatory System O.R. Procedures with MCC), DRG 362 (Other Circulatory System O.R. Procedures without MCC) and DRG 356 (Other Digestive System O.R. Procedures with MCC), under the surgical categories “Peripheral, Cranial Nerve and Other Nervous System Procedures”, “Other Circulatory System O.R. Procedures”, “Other Digestive System O.R. Procedures” and 3 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
JPelvic Cavity

Includes: Prevesical space; Retropubic space; Space of Retzius

5. Approach
0Open

Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

6. Device
ZNo Device
7. Qualifier
ZNo Qualifier

Other versions of this procedure

Different device

Different qualifier

MS-DRG v44.0 grouping

All DRGs →

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

MDC 05 · Diseases and Disorders of the Circulatory System · Other Circulatory System O.R. Procedures

ICD-9-CM equivalent

Converter →
  • 54.95Incision of peritoneumapproximate

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 0W9J0ZZ

Is 0W9J0ZZ a valid ICD-10-PCS code for 2027?

Yes. 0W9J0ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0W9J0ZZ an O.R. procedure?

Yes. 0W9J0ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 0W9J0ZZ group to?

Depending on the principal diagnosis, 0W9J0ZZ can group to MS-DRG 040, MS-DRG 041, MS-DRG 042, MS-DRG 361, MS-DRG 362 and MS-DRG 356.

What is the ICD-9 procedure code for 0W9J0ZZ?

The CMS GEMs map 0W9J0ZZ to ICD-9-CM 54.95 (Incision of peritoneum).