Current
W55 — Contact with other mammals
Part of Chapter 20: External causes of morbidity , block Exposure to animate mechanical forces (W50-W64) .
Official Notes
Includes
contact with saliva, feces or urine of mammal
Excludes1
animal being ridden- see transport accidents
Excludes1
bitten or struck by dog ( W54 )
Excludes1
bitten or struck by rodent ( W53 .-)
Excludes1
contact with marine mammals ( W56 .-)
7th Character
The appropriate 7th character is to be added to each code from category W55
7th Character
A - initial encounter
7th Character
D - subsequent encounter
7th Character
S - sequela
Child Codes
FY 2027 effective October 1, 2026 · CDC NCHS and CMS