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v1.0.0
ICD-10 Guide
DiagnosesAssault

Assault

ICD-10 Coding for Assault(T74.12XA, Y07.03)

PRIMARY SPECIALTYEmergency Medicine
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Assault?
Essential facts and insights about Assault

Key Clinical Considerations:

  • Presence of physical injuries such as bruises, lacerations, fractures, or contusions resulting from an assault.
  • Psychological symptoms such as anxiety, depression, or PTSD may be present following an assault.
  • Physical examination findings may include signs of trauma, such as swelling, tenderness, or deformities.
  • Imaging studies (e.g., X-rays, CT scans) may reveal fractures or internal injuries related to the assault.
  • Severity criteria may include the extent of injuries (e.g., minor vs. severe) and the need for surgical intervention.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Medical records must document the mechanism of injury, including details of the assault.
  • Specific terminology such as 'assault', 'physical injury', and 'trauma' must be used in documentation.
  • Examples include: 'Patient presents with lacerations due to assault' or 'Injuries consistent with physical assault.'
  • Documentation must establish medical necessity for treatment, including the need for imaging or surgical intervention.
  • Quality measures may include documentation of follow-up care and mental health assessments post-assault.

Coding Guidelines

Usage Guidelines & Examples

  • Use T74.12XA for initial encounter of physical assault with injuries; Y07.03 for perpetrator-related codes.
  • Do NOT use these codes for self-inflicted injuries or accidents; rationale includes the intent behind the injury.
  • Similar codes include T74.11XA for psychological abuse and T74.13XA for sexual assault; differentiate based on injury type.
  • Common errors include misclassifying the type of assault or failing to document the mechanism of injury; ensure clarity.
  • In complex cases, consider the context of the assault (e.g., domestic violence) and document all relevant details.

Code Exclusions

Important Exclusions

  • Excludes self-inflicted injuries (e.g., suicide attempts) and accidental injuries.
  • Alternative codes for excluded conditions include T14.91 (Unspecified injury) for non-assault injuries.
  • Conditions are excluded to ensure accurate representation of the intent behind the injury.
  • Common mistakes include misclassifying self-harm as assault; ensure thorough documentation.
  • Related but distinct conditions include domestic violence (which may involve multiple types of abuse).

Related ICD-10 Codes

Primary Codes
T74.12XA
Physical assault, initial encounter
Y07.03
Perpetrator of assault
Ancillary Codes
Y04.2XXA
Differential Codes
T76.12XA

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Emergency Medicine

Specialty Applications

  • Applies to patients with injuries resulting from physical assault, including domestic violence victims.
  • Patient populations include all ages, with particular attention to vulnerable groups (e.g., children, elderly).
  • Clinical settings include emergency departments, urgent care, and inpatient facilities.
  • Specialty-specific applications may involve emergency medicine, psychiatry, and trauma surgery.
  • Treatment contexts include immediate trauma care, psychological support, and long-term rehabilitation.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Template: 'Patient diagnosed with assault-related injuries based on physical examination findings.'

Template 2

Template: 'Clinical presentation consistent with assault including lacerations and bruising.'

Template 3

Template: 'Diagnostic criteria for assault met as evidenced by physical injuries and patient history.'

Template 4

Template: 'Treatment plan initiated for assault injuries with wound care and psychological support.'

Template 5

Template: 'Follow-up care for assault-related injuries including monitoring for PTSD symptoms.'

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What documentation is required for this diagnosis?

Documentation must include details of the assault, mechanism of injury, and any psychological impact.

How does this differ from similar diagnoses?

Assault codes specifically denote injuries from external violence, unlike self-inflicted or accidental injuries.

What are common billing considerations?

Ensure accurate coding to reflect the nature of the assault for proper reimbursement and compliance.

What procedures are typically associated?

Related CPT codes may include those for wound care, imaging, and psychological evaluations.

Are there any quality reporting implications?

Quality measures may include tracking follow-up care and mental health assessments post-assault.