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ICD-10-PCS 2027 procedure code

0H9WXZZDrainage of Right Nipple, External Approach

✓ 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 0H9WXZZ

0H9WXZZ is the ICD-10-PCS code for a drainage procedure on the right nipple using an external 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 Mastotomy, the ICD-9-CM procedure title it maps to (85.0).

For a different body part, codes include 0H90XZZ (skin, scalp), 0H91XZZ (skin, face), 0H92XZZ (skin, right ear), 0H93XZZ (skin, left ear), 0H94XZZ (skin, neck), 0H95XZZ (skin, chest) and 20 more.

The same procedure with a different approach is coded 0H9W0ZZ (open), 0H9W3ZZ (percutaneous), 0H9W7ZZ (via natural or artificial opening) and 0H9W8ZZ (via natural or artificial opening endoscopic).

With a different device, use 0H9WX0Z (drainage 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
HSkin and Breast
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
WNipple, Right
5. Approach
XExternal

Procedures performed directly on the skin or mucous membrane and procedures performed indirectly by the application of external force through the skin or mucous membrane

6. Device
ZNo Device
7. Qualifier
ZNo Qualifier

Other versions of this procedure

Different device

Different qualifier

ICD-9-CM equivalent

Converter →
  • 85.0Mastotomyapproximate

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 0H9WXZZ

Is 0H9WXZZ a valid ICD-10-PCS code for 2027?

Yes. 0H9WXZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

What is the ICD-9 procedure code for 0H9WXZZ?

The CMS GEMs map 0H9WXZZ to ICD-9-CM 85.0 (Mastotomy).