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2025 ICD-10-CM code Y04.0

Assault by unarmed brawl or fight.

This code should be used as a secondary code to a code from another chapter indicating the nature of the injury.It should not be used for injuries due to legal intervention, operations of war, or terrorism.

Medical necessity is established by the presence of injuries or medical conditions resulting from the assault.

Clinicians should document the specific injuries sustained, the circumstances of the assault, and any associated medical conditions.

In simple words: Injury from a fistfight or other physical altercation where no weapons were used.

Assault by unarmed brawl or fight. This code describes an injury resulting from a physical altercation between individuals without the use of weapons.

Example 1: A patient presents to the emergency department with a fractured nose and facial contusions after being involved in a fistfight., A patient reports being punched in the stomach during an altercation, resulting in abdominal pain and bruising., A patient is treated for a concussion after being kicked in the head during a brawl.

Documentation should include detailed descriptions of the injuries, the mechanism of injury, and the circumstances of the assault.Any medical treatment provided should also be documented.

** This code captures the cause of the injury, not the intent.For cases where the intent was to kill, a separate code for homicide/assault should also be used.Always ensure accurate and detailed documentation to support the use of this code.

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iFrame™ AI's knowledge is aligned with and limited to the materials uploaded by users and should not be interpreted as medical, legal, or any other form of advice by iFrame™.