ICD-10-CM Code Y04.0

Assault by unarmed brawl or fight

Version 2020 Non-Billable Code

Not Valid for Submission

Y04.0 is a "header" nonspecific and non-billable code code, consider using a code with a higher level of specificity for a diagnosis of assault by unarmed brawl or fight. The code is NOT valid for the year 2020 for the submission of HIPAA-covered transactions.

ICD-10:Y04.0
Short Description:Assault by unarmed brawl or fight
Long Description:Assault by unarmed brawl or fight

Consider the following ICD-10 codes with a higher level of specificity:

Index of External Cause of Injuries

References found for the code Y04.0 in the External Cause of Injuries Index:

    • Assault(homicidal) (by) (in)
      • bodily force
        • unarmed fight
    • Assault(homicidal) (by) (in)
      • brawl (hand) (fists) (foot) (unarmed)
    • Assault(homicidal) (by) (in)
      • fight (hand) (fists) (foot) (unarmed)
    • Brawl(hand) (fists) (foot)
    • Injury, injured(accidental(ly)) NOS
      • due to, in
        • fight
    • Kicked by
      • person (s) (accidentally)
        • with intent to injure or kill
    • Kicked by
      • person (s) (accidentally)
        • assault
    • Kicked by
      • person (s) (accidentally)
        • homicide (attempt)
    • Kicked by
      • person (s) (accidentally)
        • in
          • fight
    • Killed, killing(accidentally) NOS
      • in
        • brawl, fight (hand) (fists) (foot)
    • Knocked down(accidentally) (by) NOS
      • person
        • in brawl, fight
    • Manhandling(in brawl, fight)
    • Scratched by
      • person (s) (accidentally)
        • with intent to injure or kill
    • Scratched by
      • person (s) (accidentally)
        • assault
    • Scratched by
      • person (s) (accidentally)
        • homicide (attempt)
    • Scratched by
      • person (s) (accidentally)
        • in
          • fight
    • Twisted by person(s) (accidentally)
      • with intent to injure or kill
    • Twisted by person(s) (accidentally)
      • assault
    • Twisted by person(s) (accidentally)
      • homicide (attempt)
    • Twisted by person(s) (accidentally)
      • in
        • fight

Code Classification

  • External causes of morbidity and mortality (V01–Y98)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020