W31
Contact with other and unspecified machinery
Non-billableCategory
7th Character Required
The appropriate 7th character is to be added to each code from category W31
A - initial encounter
D - subsequent encounter
S - sequela
Coding Guidelines
Specific Codes (6)
W31.0Category
Contact with mining and earth-drilling machinery
W31.1Category
Contact with metalworking machines
W31.2Category
Contact with powered woodworking and forming machines
W31.3Category
Contact with prime movers
W31.8Category
Contact with other specified machinery
W31.9Category
Contact with unspecified machinery


