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v1.0.0
ICD-10 Guide
ICD-10 CodesS01.35

S01.35

Billable

Open bite of ear

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 S01.35 is a billable code used to indicate a diagnosis of open bite of ear.

Key Diagnostic Point:

An open bite of the ear refers to a specific type of injury characterized by a break in the skin and underlying tissues of the ear, typically resulting from a traumatic event such as a bite from an animal or human. This injury can lead to significant bleeding, pain, and potential infection due to the exposure of underlying structures. The ear is a complex organ with delicate cartilage and skin, making it susceptible to complications if not treated properly. Open bites can vary in severity, from superficial wounds to deeper lacerations that may involve cartilage or even the external auditory canal. Clinical evaluation often includes a thorough history of the incident, physical examination to assess the extent of the injury, and imaging studies if deeper structures are suspected to be involved. Management typically involves cleaning the wound, possible suturing, and prophylactic antibiotics to prevent infection. Follow-up care is crucial to monitor for signs of infection or complications such as keloid formation or scarring.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in injury severity and presentation
  • Potential for associated injuries to the head and neck
  • Need for accurate documentation of the mechanism of injury
  • Differentiation from other types of ear injuries

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to specify the depth of the bite
  • Misclassification of the injury type (open vs. closed)
  • Lack of follow-up documentation indicating treatment outcomes

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Documentation should include a detailed account of the injury mechanism, initial assessment findings, and treatment provided in the emergency setting.

Common Clinical Scenarios

Patients presenting with animal bites, human bites, or accidental injuries to the ear.

Billing Considerations

Consideration for rabies prophylaxis in animal bites and the need for tetanus updates.

Surgery

Documentation Requirements

Operative reports must detail the surgical approach, any reconstruction performed, and post-operative care instructions.

Common Clinical Scenarios

Surgical intervention for severe lacerations or reconstruction of the ear following traumatic injury.

Billing Considerations

Documentation should reflect the complexity of the repair and any associated procedures performed.

Coding Guidelines

Inclusion Criteria

Use S01.35 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code accurately reflects the nature of the injury and any associated conditions
  • Document the mechanism of injury and any relevant external causes

Exclusion Criteria

Do NOT use S01.35 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

12001CPT Code

Simple repair of superficial wounds

Clinical Scenario

Used for suturing an open bite of the ear.

Documentation Requirements

Document the size of the wound and the technique used.

Specialty Considerations

Emergency and surgical specialties may have different documentation needs.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of injuries, including open bites, which can improve data accuracy and facilitate better patient management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of injuries, including open bites, which can improve data accuracy and facilitate better patient management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of injuries, including open bites, which can improve data accuracy and facilitate better patient management.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the difference between an open bite and a closed bite?

An open bite involves a break in the skin, exposing underlying tissues, while a closed bite does not penetrate the skin.