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ICD-10 Guide
ICD-10 CodesS61.402

S61.402

Billable

Unspecified open wound of left hand

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

Code Description

ICD-10 S61.402 is a billable code used to indicate a diagnosis of unspecified open wound of left hand.

Key Diagnostic Point:

An unspecified open wound of the left hand refers to a traumatic injury that results in a break in the skin and exposure of underlying tissues, without a specific description of the wound's characteristics. This type of injury can occur due to various mechanisms, including lacerations, punctures, or abrasions, and may involve damage to skin, subcutaneous tissue, and potentially deeper structures such as tendons, nerves, and blood vessels. The left hand is often subject to injuries from accidents, falls, or sharp objects, leading to complications such as infection, impaired function, or chronic pain. Treatment may involve wound cleaning, suturing, and possibly surgical intervention if deeper structures are involved. Accurate documentation is crucial to determine the extent of the injury and guide appropriate management, including potential referrals to specialists for tendon repair or nerve reconstruction if indicated. The unspecified nature of the code indicates that further details about the wound's characteristics or associated injuries are not provided, which can complicate treatment planning and coding.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in wound characteristics and severity
  • Potential involvement of multiple structures (tendons, nerves, etc.)
  • Need for detailed documentation to support coding
  • Differentiation from other hand injuries

Audit Risk Factors

  • Insufficient documentation of wound characteristics
  • Lack of detail regarding associated injuries
  • Inconsistent coding practices among providers
  • Failure to document treatment plans or follow-up care

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed descriptions of the injury, including mechanism of injury, structures involved, and treatment provided.

Common Clinical Scenarios

Fractures associated with open wounds, tendon repairs, and nerve injuries.

Billing Considerations

Ensure that all surgical interventions and follow-up care are documented to support coding.

Emergency Medicine

Documentation Requirements

Thorough assessment of the wound, including size, depth, and any foreign bodies present.

Common Clinical Scenarios

Acute trauma cases presenting with open wounds requiring immediate care.

Billing Considerations

Document all interventions performed in the emergency setting, including imaging and consultations.

Coding Guidelines

Inclusion Criteria

Use S61.402 When
  • According to ICD
  • 10 coding guidelines, this code should be used when the specifics of the open wound are not documented
  • Coders should ensure that the documentation supports the use of this unspecified code and consider more specific codes if available

Exclusion Criteria

Do NOT use S61.402 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 wound on the left hand.

Documentation Requirements

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

Specialty Considerations

Orthopedic surgeons may need to document any associated tendon or nerve repairs.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of hand injuries, improving the accuracy of data collection and reimbursement processes. S61.402 provides a means to capture unspecified open wounds, but coders must strive for specificity when possible.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of hand injuries, improving the accuracy of data collection and reimbursement processes. S61.402 provides a means to capture unspecified open wounds, but coders must strive for specificity when possible.

Reimbursement & Billing Impact

reimbursement processes. S61.402 provides a means to capture unspecified open wounds, but coders must strive for specificity when possible.

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 should I document to support the use of S61.402?

Document the mechanism of injury, depth of the wound, any associated injuries, and the treatment provided to support the use of this code.