W64 – Exposure to other animate mechanical forces

ICD-10-CM 2027 diagnosis code · Exposure to animate mechanical forces

Non-billable header

ICD-10-CM code W64

Code: W64 (claims format: W64)
Description: Exposure to other animate mechanical forces
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 20. External causes of morbidity (V00-Y99)
Block: W50-W64 Exposure to animate mechanical forces

Billable codes under W64

W64 is a header code and cannot be used on claims. Choose the most specific code:

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).

Character	Meaning
`A`	initial encounter
`D`	subsequent encounter
`S`	sequela

Notes for W64

Includes:

exposure to nonvenomous animal NOS

Excludes1 (not coded here):

contact with venomous animal (T63.-)

7th character note:

The appropriate 7th character is to be added to code W64

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block W50-W64

Excludes1 (not coded here):

Toxic effect of contact with venomous animals and plants (T63.-)

Frequently asked questions

What is ICD-10 code W64?

W64 is the ICD-10-CM code for exposure to other animate mechanical forces, in the block W50-W64 (Exposure to animate mechanical forces).

Is W64 a billable code?

No. W64 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.