W55
Non-billableContact with other mammals
Contact with other mammals
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- contact with saliva, feces or urine of mammal
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- •Toxic effect of contact with venomous animals and plantsT63
- animal being ridden- see transport accidents
- •bitten or struck by dogW54
- •bitten or struck by rodentW53
- •contact with marine mammalsW56
7th Character Definitions
- A - initial encounter
- D - subsequent encounter
- S - sequela
Child Codes (7)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for contact with other mammals?
The ICD-10-CM code for contact with other mammals is W55. The full clinical description is "Contact with other mammals". W55 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code W55 mean?
ICD-10-CM code W55 represents “Contact with other mammals”. It is classified under Chapter 21: External Causes of Morbidity and is a non-billable header code. Use a more specific child code for billing purposes.
Is W55 a billable code?
No, W55 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under W55.
What chapter is W55 in?
W55 is in Chapter 21: External Causes of Morbidity (codes V00-Y99).
What codes cannot be used with W55?
W55 has Excludes1 notes indicating codes that cannot be used together with it, including: Toxic effect of contact with venomous animals and plants (T63.-); animal being ridden- see transport accidents; bitten or struck by dog (W54); and 2 more.
What are the subcategories under W55?
W55 has 7 child codes, including: W55.0 (Contact with cat), W55.1 (Contact with horse), W55.2 (Contact with cow), W55.3 (Contact with other hoof stock), and 3 more.
What are the UMLS CUIs for W55?
W55 is linked to 2 UMLS Concept Unique Identifiers: C2904800, C4290479. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does W55 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like contact with other mammals affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of W55?
W55 maps to the ICD-11 code: PA7Z (Unintentional contact with person, animal or plant, type unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.