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ICD-10 Guide
ICD-10 CodesS61.15

S61.15

Billable

Open bite of thumb with damage to nail

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

Code Description

ICD-10 S61.15 is a billable code used to indicate a diagnosis of open bite of thumb with damage to nail.

Key Diagnostic Point:

An open bite of the thumb with damage to the nail is a specific type of injury characterized by a laceration or puncture wound that penetrates the skin and underlying tissues of the thumb, often resulting from a bite or crush injury. This condition can lead to significant trauma to the nail bed, potentially causing nail loss or deformity. The injury may involve damage to the surrounding soft tissues, including tendons, nerves, and blood vessels, which can complicate healing and function. Patients may present with pain, swelling, and bleeding, and there may be signs of infection if the wound is not properly managed. Treatment typically involves cleaning the wound, possible suturing, and in some cases, surgical intervention to repair damaged structures. The prognosis depends on the extent of the injury and the timeliness of treatment, with early intervention generally leading to better outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Involvement of multiple anatomical structures (nail, soft tissue, tendons)
  • Potential for associated injuries (fractures, nerve damage)
  • Variability in treatment approaches (conservative vs. surgical)
  • Need for detailed documentation of injury severity

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to specify the extent of nail damage
  • Omission of associated injuries (e.g., fractures, tendon injuries)
  • Incorrect coding of related procedures

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed descriptions of the injury, surgical procedures performed, and post-operative care.

Common Clinical Scenarios

Fractures associated with open bites, tendon repairs, and nail bed reconstructions.

Billing Considerations

Ensure clear documentation of any surgical interventions and follow-up care to support coding.

Emergency Medicine

Documentation Requirements

Accurate recording of the mechanism of injury, initial assessment findings, and treatment provided.

Common Clinical Scenarios

Acute presentations of open bites, management of infections, and referral for surgical intervention.

Billing Considerations

Document all assessments and treatments to justify the use of S61.15 and any associated codes.

Coding Guidelines

Inclusion Criteria

Use S61.15 When
  • According to ICD
  • 10 coding guidelines, S61
  • 15 should be used when there is a documented open bite of the thumb with nail damage
  • Coders must ensure that the documentation supports the diagnosis and includes details about the injury's mechanism and any associated injuries

Exclusion Criteria

Do NOT use S61.15 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

12001CPT Code

Simple repair of superficial wounds

Clinical Scenario

Used when the open bite requires suturing of the skin without deeper tissue involvement.

Documentation Requirements

Document the size of the wound and the method of closure.

Specialty Considerations

Orthopedic surgeons may need to document any additional procedures performed.

26300CPT Code

Nail bed repair

Clinical Scenario

Used when the nail bed is damaged and requires surgical intervention.

Documentation Requirements

Detailed description of the nail bed injury and repair technique.

Specialty Considerations

Ensure that the surgical notes clearly outline the extent of the injury.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of injuries like S61.15, improving the accuracy of data collection and reimbursement processes. This specificity helps in tracking outcomes and resource utilization for hand injuries.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of injuries like S61.15, improving the accuracy of data collection and reimbursement processes. This specificity helps in tracking outcomes and resource utilization for hand injuries.

Reimbursement & Billing Impact

reimbursement processes. This specificity helps in tracking outcomes and resource utilization for hand 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 primary treatment for an open bite of the thumb?

The primary treatment involves cleaning the wound, assessing for any associated injuries, and possibly suturing the wound. If the nail bed is damaged, surgical repair may be necessary.

How can I differentiate between an open bite and a closed bite?

An open bite involves a break in the skin with potential exposure of underlying tissues, while a closed bite does not penetrate the skin.