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ICD-10-CM 2027 diagnosis code

W44.B0XAPlastic object unspecified, entering into or through a natural orifice, initial encounter

✓ Billable / specificRequires 7th character

W44.B0XA is a valid, billable ICD-10-CM code for plastic object unspecified, entering into or through a natural orifice, initial encounter. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.Short description: Plastic object unsp, entering via natural orifice, init

Code last changed in FY2024 (effective October 1, 2023). Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About W44.B0XA

W44.B0XA is the ICD-10-CM diagnosis code for plastic object unspecified, entering into or through a natural orifice, initial encounter. It belongs to category W44 (foreign body entering into or through a natural orifice), block W20-W49 (exposure to inanimate mechanical forces) and chapter 20 (external causes of morbidity). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.

The 7th character "A" means initial encounter: use it while the patient is receiving active treatment for the condition.

It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.

It was added in FY2024, effective October 1, 2023.

7th character

Ainitial encounter

Other encounter types for W44.B0:

Notes that apply from higher levels

Instructions written at a parent level also apply to W44.B0XA.

› From W44 Foreign body entering into or through a natural orifice
Excludes2
  • contact with other sharp objects (W26)
  • contact with sharp glass (W25)
  • foreign body or object entering through skin (W45)

Broader instructions also apply from W20-W49 Exposure to inanimate mechanical forces and Chapter 20: External causes of morbidity.

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
  • FY2024 (effective 10/1/2023): Added
  • No changes since FY2024.

Common questions about W44.B0XA

Is W44.B0XA billable?

Yes. W44.B0XA is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

What does the "A" at the end of W44.B0XA mean?

It is the 7th character for initial encounter. Per the official guidelines, use it while the patient is receiving active treatment for the condition.

Can W44.B0XA be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict W44.B0XA as a principal diagnosis.

Is W44.B0XA a CC or MCC?

No. W44.B0XA is neither a CC nor an MCC under MS-DRG v44.0.