ICD-10-CM W31: Contact with other and unspecified machinery

ICD-10-CM Diagnosis Code (2025)

Official Description for W31

Contact with other and unspecified machinery

Coding Notes & Guidelines for W31

Excludes1: Not Coded Here
  • 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)
Excludes1: Not Coded Here

nonpowered woodworking tools (W27.0)

Excludes1: Not Coded Here
  • contact with household machinery (W29.-)
  • contact with powered lawn mower (W28)
Excludes1: Not Coded Here

special construction vehicle accident (V01-V99)

Inclusion Terms
  • Contact with bore or drill (land) (seabed)
  • Contact with shaft hoist
  • Contact with shaft lift
  • Contact with undercutter
Inclusion Terms
  • Contact with abrasive wheel
  • Contact with forging machine
  • Contact with lathe
  • Contact with mechanical shears
  • Contact with metal drilling machine
  • Contact with milling machine
  • Contact with power press
  • Contact with rolling-mill
  • Contact with metal sawing machine
Inclusion Terms
  • Contact with band saw
  • Contact with bench saw
  • Contact with circular saw
  • Contact with molding machine
  • Contact with overhead plane
  • Contact with powered saw
  • Contact with radial saw
  • Contact with sander
Inclusion Terms
  • Contact with gas turbine
  • Contact with internal combustion engine
  • Contact with steam engine
  • Contact with water driven turbine
Inclusion Terms

Contact with roller coaster

Inclusion Terms
  • Contact with commercial electric fan
  • Contact with commercial kitchen appliances
  • Contact with commercial powered dryer (clothes) (powered) (spin)
  • Contact with commercial washing-machine
  • Contact with commercial sewing machine
Inclusion Terms

Contact with special construction vehicle under repair, not on public roadway

Inclusion Terms

Contact with machinery NOS

7th Character Guidance

The appropriate 7th character is to be added to each code from category W31

7th Character Definitions
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela

Child Codes (More Specific Codes for W31):

W31.0 - Contact with mining and earth-drilling machinery W31.1 - Contact with metalworking machines W31.2 - Contact with powered woodworking and forming machines W31.3 - Contact with prime movers W31.8 - Contact with other specified machinery W31.81 - Contact with recreational machinery W31.82 - Contact with other commercial machinery W31.83 - Contact with special construction vehicle in stationary use W31.89 - Contact with other specified machinery W31.9 - Contact with unspecified machinery

About ICD-10-CM Code W31 (Contact with other and unspecified machinery)

ICD-10-CM code W31 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM W31 became effective on October 1, 2024.

This page provides detailed information about W31 - Contact with other and unspecified machinery. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Contact with other and unspecified machinery.