W31 ICD-10-CM Code: Contact with other and unspecified machinery
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
W31Contact with other and unspecified machinery
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where W31 sits
- 1
Chapter 20
External causes of morbidity (V00-Y99)
- 2
Section
Accidents (V00-X58)
- 3
Category W31
Contact with other and unspecified machinery
- 4
Code W31
Contact with other and unspecified machinery
More specific choices
Codes under W31
W31 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for W31.
Code first
No “code first” instruction is listed for W31.
Use additional code
No “use additional code” instruction is listed for W31.
Excludes1
Conditions that should not be reported together with this 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)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for W31.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code W31 mean?
W31 is the FY 2027 U.S. ICD-10-CM code for “Contact with other and unspecified machinery.”
Is W31 a billable or specific ICD-10-CM code?
No. W31 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is W31 located in ICD-10-CM?
W31 is listed in Chapter 20, External causes of morbidity (V00-Y99), within Accidents (V00-X58) (V00–X58), under category W31, Contact with other and unspecified machinery.
What coding notes are listed for W31?
No inclusion terms are listed for W31 in this reference record. No code-first instruction is listed. Excludes1 notes: 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). No Excludes2 note is listed.
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