W55 Contact with other mammals
ICD-10-CM category W55 sits in Chapter 20 (External causes of morbidity, V00-Y99). It contains 63 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
W55.0 Contact with catW55.01 Bitten by catW55.03 Scratched by catW55.09 Other contact with catW55.1 Contact with horseW55.11 Bitten by horseW55.12 Struck by horseW55.19 Other contact with horseW55.2 Contact with cowW55.21 Bitten by cowW55.22 Struck by cowW55.29 Other contact with cowW55.3 Contact with other hoof stockW55.31 Bitten by other hoof stockW55.32 Struck by other hoof stockW55.39 Other contact with other hoof stockW55.4 Contact with pigW55.41 Bitten by pigW55.42 Struck by pigW55.49 Other contact with pigW55.5 Contact with raccoonW55.51 Bitten by raccoonW55.52 Struck by raccoonW55.59 Other contact with raccoonW55.8 Contact with other mammalsW55.81 Bitten by other mammalsW55.82 Struck by other mammalsW55.89 Other contact with other mammals
Billable codes in W55
| Code | Description |
|---|---|
W55.01XA | Bitten by cat, initial encounter |
W55.01XD | Bitten by cat, subsequent encounter |
W55.01XS | Bitten by cat, sequela |
W55.03XA | Scratched by cat, initial encounter |
W55.03XD | Scratched by cat, subsequent encounter |
W55.03XS | Scratched by cat, sequela |
W55.09XA | Other contact with cat, initial encounter |
W55.09XD | Other contact with cat, subsequent encounter |
W55.09XS | Other contact with cat, sequela |
W55.11XA | Bitten by horse, initial encounter |
W55.11XD | Bitten by horse, subsequent encounter |
W55.11XS | Bitten by horse, sequela |
W55.12XA | Struck by horse, initial encounter |
W55.12XD | Struck by horse, subsequent encounter |
W55.12XS | Struck by horse, sequela |
W55.19XA | Other contact with horse, initial encounter |
W55.19XD | Other contact with horse, subsequent encounter |
W55.19XS | Other contact with horse, sequela |
W55.21XA | Bitten by cow, initial encounter |
W55.21XD | Bitten by cow, subsequent encounter |
W55.21XS | Bitten by cow, sequela |
W55.22XA | Struck by cow, initial encounter |
W55.22XD | Struck by cow, subsequent encounter |
W55.22XS | Struck by cow, sequela |
W55.29XA | Other contact with cow, initial encounter |
W55.29XD | Other contact with cow, subsequent encounter |
W55.29XS | Other contact with cow, sequela |
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 |
W55.32XA | Struck by other hoof stock, initial encounter |
W55.32XD | Struck by other hoof stock, subsequent encounter |
W55.32XS | Struck by other hoof stock, sequela |
W55.39XA | 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 |
W55.41XA | Bitten by pig, initial encounter |
W55.41XD | Bitten by pig, subsequent encounter |
W55.41XS | Bitten by pig, sequela |
W55.42XA | Struck by pig, initial encounter |
W55.42XD | Struck by pig, subsequent encounter |
W55.42XS | Struck by pig, sequela |
W55.49XA | Other contact with pig, initial encounter |
W55.49XD | Other contact with pig, subsequent encounter |
W55.49XS | Other contact with pig, sequela |
W55.51XA | Bitten by raccoon, initial encounter |
W55.51XD | Bitten by raccoon, subsequent encounter |
W55.51XS | Bitten by raccoon, sequela |
W55.52XA | Struck by raccoon, initial encounter |
W55.52XD | Struck by raccoon, subsequent encounter |
W55.52XS | Struck by raccoon, sequela |
W55.59XA | Other contact with raccoon, initial encounter |
W55.59XD | Other contact with raccoon, subsequent encounter |
W55.59XS | Other contact with raccoon, sequela |
W55.81XA | Bitten by other mammals, initial encounter |
W55.81XD | Bitten by other mammals, subsequent encounter |
W55.81XS | Bitten by other mammals, sequela |
W55.82XA | Struck by other mammals, initial encounter |
W55.82XD | Struck by other mammals, subsequent encounter |
W55.82XS | Struck by other mammals, sequela |
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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