W31.1
⚠ Non-billable
Contact with metalworking machines
ICD-10-CM · FY2026 · External Causes of Morbidity
Code
W31.1
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
External Causes of Morbidity
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code W31.1?
ICD-10-CM code W31.1 represents Contact with metalworking machines. It is a non-billable header code requiring a more specific subcategory in the External Causes of Morbidity chapter, effective October 1, 2025 – September 30, 2026.
Is W31.1 billable?
No. W31.1 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is W31.1 in?
W31.1 belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.
Related codes in the W31 category
W31
Contact with other and unspecified machinery
Non-billable
W31.0
Contact with mining and earth-drilling machinery
Non-billable
W31.2
Contact with powered woodworking and forming machines
Non-billable
W31.3
Contact with prime movers
Non-billable
W31.8
Contact with other specified machinery
Non-billable
W31.9
Contact with unspecified machinery
Non-billable
W31.81
Contact with recreational machinery
Non-billable
W31.82
Contact with other commercial machinery
Non-billable
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