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ICD-10-CM 2027 diagnosis code

W64.XXXDExposure to other animate mechanical forces, subsequent encounter

✓ Billable / specificPOA exemptRequires 7th character

W64.XXXD is a valid, billable ICD-10-CM code for exposure to other animate mechanical forces, subsequent encounter. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.Short description: Exposure to other animate mechanical forces, subs encntr

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About W64.XXXD

W64.XXXD is the ICD-10-CM diagnosis code for exposure to other animate mechanical forces, subsequent encounter. It belongs to category W64 (exposure to other animate mechanical forces), block W50-W64 (exposure to animate 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 "D" means subsequent encounter: use it for encounters after active treatment, while the patient is healing or recovering.

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

It is exempt from present-on-admission (POA) reporting, so no POA indicator is required.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Before ICD-10, this condition was coded in ICD-9-CM as E906.9 (unspecified injury caused by animal).

7th character

Dsubsequent encounter

Other encounter types for W64:

Notes that apply from higher levels

Instructions written at a parent level also apply to W64.XXXD.

› From W64 Exposure to other animate mechanical forces
Includes
  • exposure to nonvenomous animal NOS
Excludes1
  • contact with venomous animal (T63.-)

Broader instructions also apply from W50-W64 Exposure to animate mechanical forces and Chapter 20: External causes of morbidity.

ICD-9-CM equivalent

Converter →
  • E906.9Unspecified injury caused by animalapproximate

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 W64.XXXD

Is W64.XXXD billable?

Yes. W64.XXXD is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

What does the "D" at the end of W64.XXXD mean?

It is the 7th character for subsequent encounter. Per the official guidelines, use it for encounters after active treatment, while the patient is healing or recovering.

Can W64.XXXD be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict W64.XXXD as a principal diagnosis.

Is W64.XXXD a CC or MCC?

No. W64.XXXD is neither a CC nor an MCC under MS-DRG v44.0.

What is the ICD-9 code for W64.XXXD?

The CMS General Equivalence Mappings map W64.XXXD to ICD-9-CM E906.9.