W49.0

W49.0: Item causing external constriction

Non-billable headerICD-10-CM

W49.0 is a non-billable header ICD-10-CM code for item causing external constriction. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category W49

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above W49.0

A category’s note binds every code beneath it.

Written on W49: Exposure to other inanimate mechanical forces

exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead W49.0

5 child codes. Green means billable.

Other codes under W49

W49.9Exposure to other inanimate mechanical forces