W51.XXXA ICD-10-CM Code: Accidental striking against or bumped into by another person, initial encounter
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Accidental striking against or bumped into by another person, initial encounter is a billable ICD-10-CM diagnosis code (W51A).
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for W51.XXXA in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- assault by striking against or bumping into by another person (Y04.2)
- fall due to collision with another person (W03)
- Toxic effect of contact with venomous animals and plants (T63.-)
Frequently Asked Questions (FAQ) & Clinical Guidance
Does W51.XXXA require a 7th character?
Yes. The appropriate 7th character is to be added to code W51.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to W51.XXXA in its code family, with their registry titles.