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v1.0.0
ICD-10 Guide
DiagnosesHuman Bite

Human Bite

ICD-10 Coding for Human Bite(S41.151A, Y04.1XXA)

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

Diagnosis Overview

What is Human Bite?
Essential facts and insights about Human Bite

Key Clinical Considerations:

  • Local pain and swelling at the bite site
  • Possible signs of infection (redness, warmth, pus)
  • History of the bite incident

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient's history of the incident
  • Description of the wound and any signs of infection
  • Assessment of range of motion and function of affected area

Coding Guidelines

Usage Guidelines & Examples

  • Usage guidelines: Use specific codes based on encounter type and wound severity.
  • Common errors: Incorrectly coding as animal bites or failing to specify encounter type.

Code Exclusions

Important Exclusions

  • Excluded conditions: Animal bites, non-bite injuries.
  • Alternative codes: Use of unspecified codes for bites not clearly documented.

Related ICD-10 Codes

Primary Codes
S01.81XA
Human bite, initial encounter
S01.81XD
Human bite, subsequent encounter
S01.81XS
Human bite, sequela
Ancillary Codes
B96.89
Differential Codes
S41.152A
W61.XXXA

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Emergency Medicine

Specialty Applications

  • Patient populations: All age groups, particularly children and adults in urban settings.
  • Clinical settings: Emergency departments, urgent care centers, primary care.

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

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

Documentation requirements?

Document the mechanism of injury, wound assessment, and any treatment provided.

Billing considerations?

Ensure accurate coding based on encounter type (initial, subsequent, sequela) to avoid claim denials.