MCMCB Pro
W54

W54Contact with dog

Non-billable headerICD-10-CM

W54 is a non-billable header ICD-10-CM code for contact with dog. 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 W54

A
initial encounter
D
subsequent encounter
S
sequela

Includes

Conditions this code covers.

  • contact with saliva, feces or urine of dog

Other codes that can never be billed with W54

These codes carry an Excludes1 note pointing at W54. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading W54 alone.

  • W55Contact with other mammals

Risk adjustment

W54 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 W54

3 child codes. Green means billable.

Questions about W54

Is W54 a billable ICD-10-CM code?
No. W54 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does W54 sit in the tabular list?
External causes of morbidity (V00-Y99), in the block Exposure to animate mechanical forces (W50-W64).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.