W56.31 Bitten by other marine mammals

Non-billable ICD-10-CM code.

Applies from W56 Contact with nonvenomous marine animal

Excludes1 (never code together)

• contact with venomous marine animal (T63.-)

7th character note

• The appropriate 7th character is to be added to each code from category W56

7th character required

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

Code annotations containing back-references to W56.31

Back-references to W56

• Type 1 Excludes: W55 Contact with other mammals ("contact with marine mammals (W56.-)")

Diagnosis Index entries for W56.31

• Bite, bitten by › mammal NEC › marine
• Contact (accidental) › with › mammal (feces) (urine) › marine › specified NEC › bite

Nearby codes

• W56.29 Other contact with orca
• W56.29XA Other contact with orca, initial encounter
• W56.29XD Other contact with orca, subsequent encounter
• W56.29XS Other contact with orca, sequela
• W56.3 Contact with other marine mammals
• W56.31 Bitten by other marine mammals (this code)
• W56.31XA Bitten by other marine mammals, initial encounter
• W56.31XD Bitten by other marine mammals, subsequent encounter
• W56.31XS Bitten by other marine mammals, sequela
• W56.32 Struck by other marine mammals
• W56.32XA Struck by other marine mammals, initial encounter