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ICD-10-PCS 2027 procedure code

0WW840ZRevision of Drainage Device in Chest Wall, Percutaneous Endoscopic Approach

✓ Valid for 2027

Short description: Revision of Drain Dev in Chest Wall, 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 0WW840Z

0WW840Z is the ICD-10-PCS code for a revision procedure on the chest wall using a percutaneous endoscopic approach with drainage device. In ICD-10-PCS, revision means correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device.

In plain terms, this corresponds to incision of chest wall, the ICD-9-CM procedure title it maps to (34.01).

For a different body part, codes include 0WW040Z (head), 0WW140Z (cranial cavity), 0WW240Z (face), 0WW440Z (upper jaw), 0WW540Z (lower jaw), 0WW640Z (neck) and 12 more.

The same procedure with a different approach is coded 0WW800Z (open), 0WW830Z (percutaneous) and 0WW8X0Z (external).

With a different device, use 0WW841Z (radioactive element), 0WW843Z (infusion device), 0WW847Z (autologous tissue substitute), 0WW84JZ (synthetic substitute), 0WW84KZ (nonautologous tissue substitute) and 0WW84YZ (other device).

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
WRevision

Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device

Revision can include correcting a malfunctioning or displaced device by taking out or putting in components of the device such as a screw or pin

Includes: Adjustment of position of pacemaker lead, recementing of hip prosthesis

4. Body Part
8Chest Wall
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

ICD-9-CM equivalent

Converter →
  • 34.01Incision of chest wallapproximate

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 0WW840Z

Is 0WW840Z a valid ICD-10-PCS code for 2027?

Yes. 0WW840Z is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

What is the ICD-9 procedure code for 0WW840Z?

The CMS GEMs map 0WW840Z to ICD-9-CM 34.01 (Incision of chest wall).