All ICD10 Codes

W53.21

Billable
ChapterV00–Y99
Ranksubcategory
Official Description

Bitten by squirrel

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).
General instructions are available for the parent sections:
View W50-W64 NotesView W53 Notes

Clinical Hierarchy

BillableHas subcodes
CH20External causes of morbidity (V00-Y99)
W50-W64Exposure to animate mechanical forces (W50-W64)
W53Contact with rodent
W53.2Contact with squirrel
W53.21Bitten by squirrelBillable
W53.21XABitten by squirrel, initial encounterBillable
W53.21XDBitten by squirrel, subsequent encounterBillable
W53.21XSBitten by squirrel, sequelaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to W53.21:

categoryW53
Contact with rodent
View context instructions
blockW50-W64
Exposure to animate mechanical forces (W50-W64)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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