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W55 - Contact with other mammals


The ICD 10 Code for Contact with other mammals is listed as W55.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: W55
Description: Contact with other mammals
  • Includes: contact with saliva, feces or urine of mammal
  • Excludes1: animal being ridden- see transport accidents
  • bitten or struck by dog (W54)
  • bitten or struck by rodent (W53.-)
  • contact with marine mammals (W56.x-)
  • The appropriate 7th character is to be added to each code from category W55
  • A - initial encounter
  • D - subsequent encounter
  • S - sequela
Chapter External causes of morbidity (V00-Y99)
ICD-10-CM Children (deeper level / typically more specific) of W55:
W55.0 - Contact with cat
W55.1 - Contact with horse
W55.2 - Contact with cow
W55.3 - Contact with other hoof stock
W55.4 - Contact with pig
W55.5 - Contact with raccoon
W55.8 - Contact with other mammals