All ICD10 Codes

W45

Non-Billable
ChapterV00–Y99
Rankcategory
Official Description

Foreign body or object entering through skin

Use a more specific code (3 billable)
W45.0Nail entering through skinW45.3Fishing hook entering through skinW45.8Other foreign body or object entering through skin
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).

W20-W49 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • assault (X92-Y09)
  • contact or collision with animals or persons (W50-W64)
  • exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)
  • intentional self-harm (X71-X83)

Instructional Notes

Includes
  • foreign body or object embedded in skin
  • nail embedded in skin
Excludes2(Not included here. Code separately if applicable.)
  • contact with hand tools (nonpowered) (powered) (W27-W29)
  • contact with other sharp object(s) (W26.-)
  • contact with sharp glass (W25.-)
  • struck by objects (W20-W22)

Clinical Hierarchy

BillableHas subcodes
CH20External causes of morbidity (V00-Y99)
W20-W49Exposure to inanimate mechanical forces (W20-W49)
W45Foreign body or object entering through skinNot billable
W45.0Nail entering through skinBillable
W45.3Fishing hook entering through skinBillable
W45.8Other foreign body or object entering through skinBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to W45:

blockW20-W49
Exposure to inanimate mechanical forces (W20-W49)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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