W51

Non-billable

Accidental striking against or bumped into by another person

Accidental striking against or bumped into by another person

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

W50-W64

Child Codes

3

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • Toxic effect of contact with venomous animals and plants (T63.-)
  • assault by striking against or bumping into by another person (Y04.2)
  • fall due to collision with another person (W03)

7th Character Definitions

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Child Codes (3)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code W51?

ICD-10-CM code W51 represents "Accidental striking against or bumped into by another person". It is a non-billable header code — use a more specific child code for billing purposes.

Is W51 a billable code?

No, W51 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under W51.

What chapter is W51 in?

W51 is in Chapter 21: External Causes of Morbidity (codes V00-Y99).

What codes cannot be used with W51?

W51 has Excludes1 notes indicating codes that cannot be used together with it, including: Toxic effect of contact with venomous animals and plants (T63.-); assault by striking against or bumping into by another person (Y04.2); fall due to collision with another person (W03).

What are the subcategories under W51?

W51 has 3 child codes, including: W51.XXXA (Accidental strike or bumped into by another person, init), W51.XXXD (Accidental strike or bumped into by another person, subs), W51.XXXS (Accidental strike or bumped into by another person, sequela).

What are the UMLS CUIs for W51?

W51 is linked to 1 UMLS Concept Unique Identifier: C2904670. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.