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ICD-10-PCS 2027 procedure code

XW03358Introduction of Mosunetuzumab Antineoplastic into Peripheral Vein, Percutaneous Approach, New Technology Group 8

✓ Valid for 2027

Short description: Introduce Mosunetuzumab in Periph Vein, Perc, New Tech 8

Code last changed in FY2023 (effective October 1, 2022). Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About XW03358

XW03358 is the ICD-10-PCS code for a introduction procedure on the peripheral vein using a percutaneous approach with mosunetuzumab antineoplastic (qualifier: new technology group 8). In ICD-10-PCS, introduction means putting in or on a therapeutic, diagnostic, nutritional, physiological, or prophylactic substance except blood or blood products.

For a different body part, codes include XW04358 (central vein).

With a different device, use XW03308 (alpha1-proteinase inhibitor), XW03368 (landiolol antiarrhythmic), XW03378 (tabelecleucel immunotherapy), XW03388 (mineral-based topical hemostatic agent) and XW03398 (odronextamab antineoplastic).

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

It was added in FY2023, effective October 1, 2022.

What each character means

1. Section
XNew Technology
2. Body System
WAnatomical Regions
3. Operation
0Introduction

Putting in or on a therapeutic, diagnostic, nutritional, physiological, or prophylactic substance except blood or blood products

4. Body Part
3Peripheral Vein
5. Approach
3Percutaneous

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

6. Device / Substance / Technology
5Mosunetuzumab Antineoplastic

Includes: LUNSUMIO(tm)

7. Qualifier
8New Technology Group 8

Other versions of this procedure

Different body part

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
  • FY2023 (effective 10/1/2022): Added
  • No changes since FY2023.

Common questions about XW03358

Is XW03358 a valid ICD-10-PCS code for 2027?

Yes. XW03358 is valid for inpatient procedures from October 1, 2026 through September 30, 2027.