Is W44 a billable ICD-10-CM code?

No. W44 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does W44 sit in the tabular list?

External causes of morbidity (V00-Y99), in the block Exposure to inanimate mechanical forces (W20-W49).

W44

W44 — Foreign body entering into or through a natural orifice

Non-billable headerICD-10-CM

W44 is a non-billable header ICD-10-CM code for foreign body entering into or through a natural orifice. 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 W44

A: initial encounter
D: subsequent encounter
S: sequela

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

contact with other sharp objects (W26)
contact with sharp glass (W25)
foreign body or object entering through skin (W45)

Risk adjustment

W44 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead W44

10 child codes. Green means billable.

Questions about W44

Is W44 a billable ICD-10-CM code?: No. W44 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does W44 sit in the tabular list?: External causes of morbidity (V00-Y99), in the block Exposure to inanimate mechanical forces (W20-W49).