W53.1Header code — not billable
Contact with rat
- Chapter
- 20. External causes of morbidity
- Category
- W53
- Effective date
- October 1, 2026
Related codes in category W53
W53Contact with rodentW53.0Contact with mouseW53.01Bitten by mouseW53.01XABitten by mouse, initial encounterYesW53.01XDBitten by mouse, subsequent encounterYesW53.01XSBitten by mouse, sequelaYesW53.09Other contact with mouseW53.09XAOther contact with mouse, initial encounterYesW53.09XDOther contact with mouse, subsequent encounterYesW53.09XSOther contact with mouse, sequelaYesW53.11Bitten by ratW53.11XABitten by rat, initial encounterYes
Frequently asked questions
What is ICD-10 code W53.1?
W53.1 is an ICD-10-CM diagnosis code for Contact with rat.
Is W53.1 a billable code?
No. W53.1 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is W53.1 in?
W53.1 falls under Chapter 20: External causes of morbidity.
When did W53.1 become effective?
W53.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to W53.1?
W53.1 belongs to category W53, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.