Version 2024

2024 ICD-10-CM Diagnosis Code Y04.0

Assault by unarmed brawl or fight

ICD-10-CM Code:
Y04.0
ICD-10 Code for:
Assault by unarmed brawl or fight
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • External causes of morbidity and mortality
    (V01–Y99)

Y04.0 is a non-specific and non-billable diagnosis 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 specific and is NOT valid for the year 2024 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding Applicable to Assault by unarmed brawl or fight

Non-specific codes like Y04.0 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for assault by unarmed brawl or fight:

  • Use Y04.0XXA for initial encounter - BILLABLE CODE

  • Use Y04.0XXD for subsequent encounter - BILLABLE CODE

  • Use Y04.0XXS for sequela - BILLABLE CODE

Index of External Cause of Injuries

References found for this diagnosis code 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 History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.