W55.21 Bitten by cow

Non-billable ICD-10-CM code.

Applies from W55 Contact with other mammals

Includes

• contact with saliva, feces or urine of mammal

Excludes1 (never code together)

• animal being ridden- see transport accidents
• bitten or struck by dog (W54)
• bitten or struck by rodent (W53.-)
• contact with marine mammals (W56.-)

7th character note

• The appropriate 7th character is to be added to each code from category W55

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Applies from W55.2 Contact with cow

Applicable to

• Contact with bull

Diagnosis Index entries for W55.21

• Bite, bitten by › bull
• Bite, bitten by › cow
• Contact (accidental) › with › bull › bite
• Contact (accidental) › with › cow › bite

Nearby codes

• W55.19 Other contact with horse
• W55.19XA Other contact with horse, initial encounter
• W55.19XD Other contact with horse, subsequent encounter
• W55.19XS Other contact with horse, sequela
• W55.2 Contact with cow
• W55.21 Bitten by cow (this code)
• W55.21XA Bitten by cow, initial encounter
• W55.21XD Bitten by cow, subsequent encounter
• W55.21XS Bitten by cow, sequela
• W55.22 Struck by cow
• W55.22XA Struck by cow, initial encounter