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v1.0.0
ICD-10 Guide
ICD-10 CodesS51.859

S51.859

Billable

Open bite of unspecified forearm

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

Code Description

ICD-10 S51.859 is a billable code used to indicate a diagnosis of open bite of unspecified forearm.

Key Diagnostic Point:

An open bite of the forearm refers to a wound that penetrates the skin and underlying tissues, resulting from a traumatic injury. This type of injury can occur due to various mechanisms, including animal bites, human bites, or injuries from sharp objects. The forearm consists of two bones, the radius and the ulna, and injuries in this area can lead to complications such as fractures, soft tissue damage, and potential infections. Open bites can also be associated with other injuries, such as elbow fractures or compartment syndrome, where increased pressure within the muscle compartments can lead to muscle and nerve damage. Treatment often involves thorough cleaning of the wound, possible surgical intervention to repair damaged structures, and orthopedic fixation procedures to stabilize any fractures. The complexity of managing an open bite injury lies in the need for careful assessment of associated injuries and the potential for complications, which necessitates a multidisciplinary approach for optimal patient outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of potential associated injuries (e.g., fractures, compartment syndrome)
  • Need for detailed documentation of the mechanism of injury
  • Potential for surgical intervention and follow-up care
  • Variability in treatment protocols based on injury severity

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to document associated injuries or complications
  • Incorrect coding of the severity of the bite
  • Lack of follow-up documentation post-treatment

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

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

Common Clinical Scenarios

Management of fractures associated with open bites, surgical repair of soft tissue injuries.

Billing Considerations

Ensure accurate coding of any orthopedic fixation procedures performed.

Emergency Medicine

Documentation Requirements

Thorough documentation of initial assessment, treatment provided, and any referrals made.

Common Clinical Scenarios

Initial evaluation and management of open bite injuries, assessment for potential infections.

Billing Considerations

Document the mechanism of injury and any immediate complications observed.

Coding Guidelines

Inclusion Criteria

Use S51.859 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the injury's nature, associated complications, and treatment provided
  • Include any relevant details about the mechanism of injury and the patient's clinical status

Exclusion Criteria

Do NOT use S51.859 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

12001CPT Code

Simple repair of superficial wounds

Clinical Scenario

Used for initial treatment of an open bite wound.

Documentation Requirements

Document the extent of the wound and any complications.

Specialty Considerations

Orthopedic surgeons may need to document additional procedures if fractures are involved.

20680CPT Code

Arthrocentesis, aspiration and/or injection into a major joint or bursa

Clinical Scenario

Used if joint involvement is suspected.

Documentation Requirements

Document the indication for the procedure and findings.

Specialty Considerations

Emergency medicine specialists should document the rationale for joint aspiration.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of open bite injuries, improving the accuracy of data collection and reimbursement processes. This specificity aids in better tracking of injury patterns and outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of open bite injuries, improving the accuracy of data collection and reimbursement processes. This specificity aids in better tracking of injury patterns and outcomes.

Reimbursement & Billing Impact

reimbursement processes. This specificity aids in better tracking of injury patterns and outcomes.

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 wound that penetrates the skin and underlying tissues, while a closed bite does not break the skin. Open bites are at higher risk for infection and may require more extensive treatment.