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ICD-10 Guide
ICD-10 CodesS51.85

S51.85

Billable

Open bite of forearm

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/24/2025

Code Description

ICD-10 S51.85 is a billable code used to indicate a diagnosis of open bite of forearm.

Key Diagnostic Point:

An open bite of the forearm refers to a wound characterized by a break in the skin and underlying tissues, typically resulting from a penetrating injury. This type of injury can occur due to various mechanisms, including animal bites, human bites, or sharp object injuries. The forearm consists of two long bones, the radius and ulna, which can be affected in conjunction with soft tissue injuries. Open bites can lead to complications such as infection, compartment syndrome, and damage to nerves and blood vessels. In cases where fractures are present, orthopedic fixation procedures may be necessary to stabilize the bones and promote healing. The management of open bites often requires a multidisciplinary approach, including surgical intervention, wound care, and rehabilitation to restore function and prevent long-term complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of potential underlying injuries (fractures, soft tissue damage)
  • Need for detailed documentation of the mechanism of injury
  • Potential for complications such as infection or compartment syndrome
  • Variability in treatment approaches depending on severity

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to document associated fractures or soft tissue injuries
  • Lack of follow-up care documentation
  • Inconsistent coding of complications such as infections

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed operative notes, imaging studies, and follow-up assessments.

Common Clinical Scenarios

Fractures associated with open bites, surgical fixation procedures.

Billing Considerations

Ensure accurate coding of both the bite and any associated fractures.

Emergency Medicine

Documentation Requirements

Comprehensive assessment of the injury, including mechanism, vital signs, and initial treatment.

Common Clinical Scenarios

Initial evaluation and management of open bites, including wound care and potential surgical referral.

Billing Considerations

Document the urgency of the injury and any immediate interventions performed.

Coding Guidelines

Inclusion Criteria

Use S51.85 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of the injury type, location, and any associated complications
  • Include relevant details about the mechanism of injury and treatment provided

Exclusion Criteria

Do NOT use S51.85 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

12001CPT Code

Simple repair of superficial wounds

Clinical Scenario

Used for initial wound closure in open bite injuries.

Documentation Requirements

Document the size, location, and depth of the wound.

Specialty Considerations

Orthopedic surgeons may also perform more complex repairs if fractures are involved.

24500CPT Code

Open treatment of fracture of radius or ulna

Clinical Scenario

Used when surgical fixation is required for associated fractures.

Documentation Requirements

Detailed operative report and imaging studies.

Specialty Considerations

Ensure accurate coding of both the fracture and the open bite.

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 enhances the ability to track and manage these injuries effectively. The granularity of ICD-10 codes helps in better understanding the epidemiology and treatment outcomes of such injuries.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of injuries, including open bites, which enhances the ability to track and manage these injuries effectively. The granularity of ICD-10 codes helps in better understanding the epidemiology and treatment outcomes of such injuries.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of injuries, including open bites, which enhances the ability to track and manage these injuries effectively. The granularity of ICD-10 codes helps in better understanding the epidemiology and treatment outcomes of such injuries.

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 and underlying tissues, while a closed bite does not penetrate the skin. Open bites have a higher risk of infection and may require more complex management.