W55: Contact with other mammals

Codes under W55 (Contact with other mammals). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
W55.0	Contact with cat	—
W55.01	Bitten by cat	—
W55.1	Contact with horse	—
W55.01XA	Bitten by cat, initial encounter	✓
W55.01XD	Bitten by cat, subsequent encounter	✓
W55.01XS	Bitten by cat, sequela	✓
W55.2	Contact with cow	—
W55.03	Scratched by cat	—
W55.3	Contact with other hoof stock	—
W55.03XA	Scratched by cat, initial encounter	✓
W55.03XD	Scratched by cat, subsequent encounter	✓
W55.03XS	Scratched by cat, sequela	✓
W55.4	Contact with pig	—
W55.5	Contact with raccoon	—
W55.8	Contact with other mammals	—
W55.09	Other contact with cat	—
W55.09XA	Other contact with cat, initial encounter	✓
W55.09XD	Other contact with cat, subsequent encounter	✓
W55.09XS	Other contact with cat, sequela	✓
W55.11	Bitten by horse	—
W55.11XA	Bitten by horse, initial encounter	✓
W55.11XD	Bitten by horse, subsequent encounter	✓
W55.11XS	Bitten by horse, sequela	✓
W55.12	Struck by horse	—
W55.12XA	Struck by horse, initial encounter	✓
W55.12XD	Struck by horse, subsequent encounter	✓
W55.12XS	Struck by horse, sequela	✓
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	✓
W55.21	Bitten by cow	—
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	✓
W55.22XD	Struck by cow, subsequent encounter	✓
W55.22XS	Struck by cow, sequela	✓
W55.29	Other contact with cow	—
W55.29XA	Other contact with cow, initial encounter	✓
W55.29XD	Other contact with cow, subsequent encounter	✓
W55.29XS	Other contact with cow, sequela	✓
W55.31	Bitten by other hoof stock	—
W55.31XA	Bitten by other hoof stock, initial encounter	✓
W55.31XD	Bitten by other hoof stock, subsequent encounter	✓
W55.31XS	Bitten by other hoof stock, sequela	✓
W55.32	Struck by other hoof stock	—
W55.32XA	Struck by other hoof stock, initial encounter	✓
W55.32XD	Struck by other hoof stock, subsequent encounter	✓
W55.32XS	Struck by other hoof stock, sequela	✓
W55.39	Other contact with other hoof stock	—
W55.39XA	Other contact with other hoof stock, initial encounter	✓
W55.39XD	Other contact with other hoof stock, subsequent encounter	✓
W55.39XS	Other contact with other hoof stock, sequela	✓
W55.41	Bitten by pig	—
W55.41XA	Bitten by pig, initial encounter	✓
W55.41XD	Bitten by pig, subsequent encounter	✓
W55.41XS	Bitten by pig, sequela	✓
W55.42	Struck by pig	—
W55.42XA	Struck by pig, initial encounter	✓
W55.42XD	Struck by pig, subsequent encounter	✓
W55.42XS	Struck by pig, sequela	✓
W55.49	Other contact with pig	—
W55.49XA	Other contact with pig, initial encounter	✓
W55.49XD	Other contact with pig, subsequent encounter	✓
W55.49XS	Other contact with pig, sequela	✓
W55.51	Bitten by raccoon	—
W55.51XA	Bitten by raccoon, initial encounter	✓
W55.51XD	Bitten by raccoon, subsequent encounter	✓
W55.51XS	Bitten by raccoon, sequela	✓
W55.52	Struck by raccoon	—
W55.52XA	Struck by raccoon, initial encounter	✓
W55.52XD	Struck by raccoon, subsequent encounter	✓
W55.52XS	Struck by raccoon, sequela	✓
W55.59	Other contact with raccoon	—
W55.59XA	Other contact with raccoon, initial encounter	✓
W55.59XD	Other contact with raccoon, subsequent encounter	✓
W55.59XS	Other contact with raccoon, sequela	✓
W55.81	Bitten by other mammals	—
W55.81XA	Bitten by other mammals, initial encounter	✓
W55.81XD	Bitten by other mammals, subsequent encounter	✓
W55.81XS	Bitten by other mammals, sequela	✓
W55.82	Struck by other mammals	—
W55.82XA	Struck by other mammals, initial encounter	✓
W55.82XD	Struck by other mammals, subsequent encounter	✓
W55.82XS	Struck by other mammals, sequela	✓
W55.89	Other contact with other mammals	—
W55.89XA	Other contact with other mammals, initial encounter	✓
W55.89XD	Other contact with other mammals, subsequent encounter	✓
W55.89XS	Other contact with other mammals, sequela	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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