All ICD10 Codes

W31

Non-Billable
ChapterV00–Y99
Rankcategory
Official Description

Contact with other and unspecified machinery

Use a more specific code (5 billable, 1 non-billable)
W31.0Contact with mining and earth-drilling machineryW31.1Contact with metalworking machinesW31.2Contact with powered woodworking and forming machinesW31.3Contact with prime moversW31.8Contact with other specified machineryhas subcodesW31.9Contact with unspecified machinery
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

Excludes1(Not coded here. Use a different code.)
  • contact with agricultural machinery (W30.-)
  • contact with machinery in transport under own power or being towed by a vehicle (V01-V99)
  • exposure to electric current (W86)

Clinical Hierarchy

BillableHas subcodes
CH20External causes of morbidity (V00-Y99)
W20-W49Exposure to inanimate mechanical forces (W20-W49)
W31Contact with other and unspecified machineryNot billable
W31.0Contact with mining and earth-drilling machineryBillable
W31.1Contact with metalworking machinesBillable
W31.2Contact with powered woodworking and forming machinesBillable
W31.3Contact with prime moversBillable
W31.8Contact with other specified machinerySubcodes
W31.9Contact with unspecified machineryBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to W31:

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

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Contact with other and unspecified machinery.

Search PCS Codes