W53: Contact with rodent
Codes under W53 (Contact with rodent). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| W53.0 | Contact with mouse | — |
| W53.0 | Contact with mouse | — |
| W53.01 | Bitten by mouse | — |
| W53.01 | Bitten by mouse | — |
| W53.1 | Contact with rat | — |
| W53.1 | Contact with rat | — |
| W53.01XA | Bitten by mouse, initial encounter | ✓ |
| W53.01XA | Bitten by mouse, initial encounter | ✓ |
| W53.01XD | Bitten by mouse, subsequent encounter | ✓ |
| W53.01XD | Bitten by mouse, subsequent encounter | ✓ |
| W53.01XS | Bitten by mouse, sequela | ✓ |
| W53.01XS | Bitten by mouse, sequela | ✓ |
| W53.2 | Contact with squirrel | — |
| W53.2 | Contact with squirrel | — |
| W53.8 | Contact with other rodent | — |
| W53.8 | Contact with other rodent | — |
| W53.09 | Other contact with mouse | — |
| W53.09 | Other contact with mouse | — |
| W53.09XA | Other contact with mouse, initial encounter | ✓ |
| W53.09XA | Other contact with mouse, initial encounter | ✓ |
| W53.09XD | Other contact with mouse, subsequent encounter | ✓ |
| W53.09XD | Other contact with mouse, subsequent encounter | ✓ |
| W53.09XS | Other contact with mouse, sequela | ✓ |
| W53.09XS | Other contact with mouse, sequela | ✓ |
| W53.11 | Bitten by rat | — |
| W53.11 | Bitten by rat | — |
| W53.11XA | Bitten by rat, initial encounter | ✓ |
| W53.11XA | Bitten by rat, initial encounter | ✓ |
| W53.11XD | Bitten by rat, subsequent encounter | ✓ |
| W53.11XD | Bitten by rat, subsequent encounter | ✓ |
| W53.11XS | Bitten by rat, sequela | ✓ |
| W53.11XS | Bitten by rat, sequela | ✓ |
| W53.19 | Other contact with rat | — |
| W53.19 | Other contact with rat | — |
| W53.19XA | Other contact with rat, initial encounter | ✓ |
| W53.19XA | Other contact with rat, initial encounter | ✓ |
| W53.19XD | Other contact with rat, subsequent encounter | ✓ |
| W53.19XD | Other contact with rat, subsequent encounter | ✓ |
| W53.19XS | Other contact with rat, sequela | ✓ |
| W53.19XS | Other contact with rat, sequela | ✓ |
| W53.21 | Bitten by squirrel | — |
| W53.21 | Bitten by squirrel | — |
| W53.21XA | Bitten by squirrel, initial encounter | ✓ |
| W53.21XA | Bitten by squirrel, initial encounter | ✓ |
| W53.21XD | Bitten by squirrel, subsequent encounter | ✓ |
| W53.21XD | Bitten by squirrel, subsequent encounter | ✓ |
| W53.21XS | Bitten by squirrel, sequela | ✓ |
| W53.21XS | Bitten by squirrel, sequela | ✓ |
| W53.29 | Other contact with squirrel | — |
| W53.29 | Other contact with squirrel | — |
| W53.29XA | Other contact with squirrel, initial encounter | ✓ |
| W53.29XA | Other contact with squirrel, initial encounter | ✓ |
| W53.29XD | Other contact with squirrel, subsequent encounter | ✓ |
| W53.29XD | Other contact with squirrel, subsequent encounter | ✓ |
| W53.29XS | Other contact with squirrel, sequela | ✓ |
| W53.29XS | Other contact with squirrel, sequela | ✓ |
| W53.81 | Bitten by other rodent | — |
| W53.81 | Bitten by other rodent | — |
| W53.81XA | Bitten by other rodent, initial encounter | ✓ |
| W53.81XA | Bitten by other rodent, initial encounter | ✓ |
| W53.81XD | Bitten by other rodent, subsequent encounter | ✓ |
| W53.81XD | Bitten by other rodent, subsequent encounter | ✓ |
| W53.81XS | Bitten by other rodent, sequela | ✓ |
| W53.81XS | Bitten by other rodent, sequela | ✓ |
| W53.89 | Other contact with other rodent | — |
| W53.89 | Other contact with other rodent | — |
| W53.89XA | Other contact with other rodent, initial encounter | ✓ |
| W53.89XA | Other contact with other rodent, initial encounter | ✓ |
| W53.89XD | Other contact with other rodent, subsequent encounter | ✓ |
| W53.89XD | Other contact with other rodent, subsequent encounter | ✓ |
| W53.89XS | Other contact with other rodent, sequela | ✓ |
| W53.89XS | Other contact with other rodent, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code W53?
W53 is an ICD-10-CM category covering Contact with rodent. It contains 72 more specific diagnosis codes, 48 of which are billable.
Is W53 a billable code?
No — W53 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example W53.0 — Contact with mouse). 48 of the 72 codes under W53 are billable.
What codes fall under W53?
W53 includes W53.0, W53.0, W53.01, W53.01, W53.1, plus 67 more. See the full list with descriptions and billable status above.
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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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