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ICD-10-CM Codes
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V00-Y99
External causes of morbidity
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W50-W64
Exposure to animate mechanical forces
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W51-
Accidental striking against or bumped into by another person
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2019 ICD-10-CM Diagnosis Code W51
Accidental striking against or bumped into by another person
2016 2017 2018 2019 Non-Billable/Non-Specific Code
- W51 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2019 edition of ICD-10-CM W51 became effective on October 1, 2018.
- This is the American ICD-10-CM version of W51 - other international versions of ICD-10 W51 may differ.
ICD-10-CM Coding Rules
- W51 describes the circumstance causing an injury, not the nature of the injury.
Type 1 ExcludesType 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as W51. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
The following code(s) above
W51 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
W51:
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
Code annotations containing back-references to W51:
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Type 1 Excludes: V00, W03, W18.4
ICD-10-CM Diagnosis Code V00
Pedestrian conveyance accident
2016 2017 2018 2019 Non-Billable/Non-Specific Code
Type 1 Excludes- collision with another person without fall (W51)
- fall due to person on foot colliding with another person on foot (W03)
- fall from non-moving wheelchair, nonmotorized scooter and motorized mobility scooter without collision (W05.-)
- pedestrian (conveyance) collision with other land transport vehicle (V01-V09)
- pedestrian on foot falling (slipping) on ice and snow (W00.-)
Use Additional- place of occurrence and activity external cause codes, if known (Y92.-, Y93.-)
ICD-10-CM Diagnosis Code W03
Other fall on same level due to collision with another person
2016 2017 2018 2019 Non-Billable/Non-Specific Code
Applicable To- Fall due to non-transport collision with other person
Type 1 Excludes- collision with another person without fall (W51)
- crushed or pushed by a crowd or human stampede (W52)
- fall involving pedestrian conveyance (V00-V09)
- fall due to ice or snow (W00)
- fall on same level NOS (W18.30)
ICD-10-CM Diagnosis Code W18.4
Slipping, tripping and stumbling without falling
2016 2017 2018 2019 Non-Billable/Non-Specific Code
Type 1 Excludes- collision with another person without fall (W51)
ICD-10-CM Codes Adjacent To W51
W50.3 Accidental bite by another person
W50.4 Accidental scratch by another person
W51
Accidental striking against or bumped into by another person
W51.XXXA Accidental striking against or bumped into by another person, initial encounter
W51.XXXD Accidental striking against or bumped into by another person, subsequent encounter
W51.XXXS Accidental striking against or bumped into by another person, sequela
W52 Crushed, pushed or stepped on by crowd or human stampede
W52.XXXA Crushed, pushed or stepped on by crowd or human stampede, initial encounter
W52.XXXD Crushed, pushed or stepped on by crowd or human stampede, subsequent encounter
W52.XXXS Crushed, pushed or stepped on by crowd or human stampede, sequela
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
