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ICD-10 Guide
ICD-10 CodesS61.40

S61.40

Billable

Unspecified open wound of hand

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

Code Description

ICD-10 S61.40 is a billable code used to indicate a diagnosis of unspecified open wound of hand.

Key Diagnostic Point:

An unspecified open wound of the hand refers to a traumatic injury characterized by a break in the skin that exposes underlying tissues, which may include muscle, tendon, or bone. These wounds can result from various incidents such as cuts, lacerations, or punctures, and may vary in severity from superficial abrasions to deep lacerations that compromise the integrity of the hand's anatomical structures. The hand is a complex region containing bones, tendons, nerves, and blood vessels, making it susceptible to various types of injuries. Open wounds can lead to complications such as infection, delayed healing, and functional impairment. Proper assessment and management are crucial, as injuries may involve not only the skin but also deeper structures, necessitating surgical intervention in some cases. Accurate coding requires careful documentation of the wound's characteristics, associated injuries, and treatment provided, as these factors influence the patient's prognosis and the complexity of care required.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of potential underlying injuries (e.g., tendon, nerve, bone)
  • Need for detailed documentation of wound characteristics
  • Potential for complications such as infection
  • Variability in treatment approaches (surgical vs. conservative)

Audit Risk Factors

  • Inadequate documentation of the wound's depth and extent
  • Failure to specify associated injuries (e.g., fractures, tendon damage)
  • Misclassification of the wound type (open vs. closed)
  • Lack of clarity on treatment provided

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 wounds, tendon repairs, and nerve decompression.

Billing Considerations

Documentation must clearly indicate the extent of injury and any surgical interventions to ensure appropriate coding.

Emergency Medicine

Documentation Requirements

Thorough assessment notes, including mechanism of injury, wound characteristics, and initial treatment provided.

Common Clinical Scenarios

Acute trauma cases presenting with open wounds, often requiring immediate intervention.

Billing Considerations

Accurate coding relies on comprehensive documentation of the patient's condition upon arrival and any immediate procedures performed.

Coding Guidelines

Inclusion Criteria

Use S61.40 When
  • According to ICD
  • 10 guidelines, S61
  • 40 should be used when the specific site of the open wound is not documented
  • Coders should ensure that the documentation supports the use of this code and that any associated injuries are also coded appropriately

Exclusion Criteria

Do NOT use S61.40 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

12001CPT Code

Simple repair of superficial wounds

Clinical Scenario

Used for suturing a laceration on the hand.

Documentation Requirements

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

Specialty Considerations

Orthopedic surgeons may need to document additional details regarding underlying injuries.

26300CPT Code

Tendon repair

Clinical Scenario

Used when a tendon is involved in the open wound.

Documentation Requirements

Detailed notes on the tendon involved and the repair technique used.

Specialty Considerations

Documentation must specify the tendon and any associated structures repaired.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specificity in coding hand injuries, improving the ability to capture the complexity of open wounds and associated conditions. This specificity aids in better patient management and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specificity in coding hand injuries, improving the ability to capture the complexity of open wounds and associated conditions. This specificity aids in better patient management and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specificity in coding hand injuries, improving the ability to capture the complexity of open wounds and associated conditions. This specificity aids in better patient management and resource allocation.

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

When should I use S61.40 instead of a more specific code?

Use S61.40 when the documentation does not specify the exact location or type of open wound, and no other specific codes apply. Always strive for the most accurate code based on available documentation.