W53
W53 — Contact with rodent
Non-billable headerICD-10-CM
W53 is a non-billable header ICD-10-CM code for contact with rodent. 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 W53
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Includes
Conditions this code covers.
- contact with saliva, feces or urine of rodent
Other codes that can never be billed with W53
These codes carry an Excludes1 note pointing at W53. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading W53 alone.
- W55Contact with other mammals
Risk adjustment
W53 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 W53
4 child codes. Green means billable.
Questions about W53
- Is W53 a billable ICD-10-CM code?
- No. W53 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does W53 sit in the tabular list?
- External causes of morbidity (V00-Y99), in the block Exposure to animate mechanical forces (W50-W64).