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ICD-10-PCS 2027 procedure code

0W990ZXDrainage of Right Pleural Cavity, Open Approach, Diagnostic

✓ Valid for 2027

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 0W990ZX

0W990ZX is the ICD-10-PCS code for a drainage procedure on the right pleural cavity using an open approach (qualifier: diagnostic). In ICD-10-PCS, drainage means taking or letting out fluids and/or gases from a body part.

In plain terms, this corresponds to other pleural biopsy, the ICD-9-CM procedure title it maps to (34.24).

For a different body part, codes include 0W900ZX (head), 0W910ZX (cranial cavity), 0W920ZX (face), 0W930ZX (oral cavity and throat), 0W940ZX (upper jaw), 0W950ZX (lower jaw) and 13 more.

The same procedure with a different approach is coded 0W993ZX (percutaneous) and 0W994ZX (percutaneous endoscopic).

It doesn't appear in the MS-DRG procedure index, so on its own it doesn't change the DRG assignment.

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
9Pleural Cavity, Right
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
XDiagnostic

Other versions of this procedure

Different qualifier

ICD-9-CM equivalent

Converter →
  • 34.24Other pleural biopsyapproximate

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 0W990ZX

Is 0W990ZX a valid ICD-10-PCS code for 2027?

Yes. 0W990ZX is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

What is the ICD-9 procedure code for 0W990ZX?

The CMS GEMs map 0W990ZX to ICD-9-CM 34.24 (Other pleural biopsy).