W53.21XDBillable
Bitten by squirrel, subsequent encounter
- 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, sequelaYesW53.1Contact with ratW53.11Bitten by rat
Frequently asked questions
What is ICD-10 code W53.21XD?
W53.21XD is an ICD-10-CM diagnosis code for Bitten by squirrel, subsequent encounter.
Is W53.21XD a billable code?
Yes. W53.21XD is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is W53.21XD in?
W53.21XD falls under Chapter 20: External causes of morbidity.
When did W53.21XD become effective?
W53.21XD has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to W53.21XD?
W53.21XD 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.