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ICD-10 Guide
ICD-10 CodesS51.80

S51.80

Billable

Unspecified open wound of forearm

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

Code Description

ICD-10 S51.80 is a billable code used to indicate a diagnosis of unspecified open wound of forearm.

Key Diagnostic Point:

An unspecified open wound of the forearm refers to a traumatic injury that results in a break in the skin and underlying tissues in the forearm region, which includes the area between the elbow and the wrist. This type of injury can arise from various causes, including accidents, falls, or penetrating injuries. The forearm consists of two bones, the radius and the ulna, and injuries can involve soft tissue damage, fractures, or both. Open wounds can lead to complications such as infection, delayed healing, and potential damage to nerves and blood vessels. In cases where the wound is associated with fractures, particularly of the elbow or the radius/ulna, further evaluation is necessary to determine the extent of the injury and appropriate treatment. Compartment syndrome may also develop as a result of swelling and increased pressure within the forearm compartments, necessitating urgent intervention. Orthopedic fixation procedures, such as internal or external fixation, may be required to stabilize fractures and promote healing. Accurate coding of open wounds is essential for proper treatment planning and reimbursement, and it requires careful documentation of the injury's specifics, including the mechanism of injury and any associated 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 compartment syndrome
  • Variability in treatment approaches (surgical vs. conservative)

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to specify associated fractures or complications
  • Misclassification of the wound type (open vs. closed)
  • Lack of follow-up documentation on treatment outcomes

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed descriptions of the injury, treatment plan, and any surgical interventions performed.

Common Clinical Scenarios

Fractures associated with open wounds, compartment syndrome requiring fasciotomy, and orthopedic fixation procedures.

Billing Considerations

Ensure accurate coding of any associated fractures or complications to avoid undercoding.

Emergency Medicine

Documentation Requirements

Thorough documentation of the patient's presentation, mechanism of injury, and initial management.

Common Clinical Scenarios

Acute presentations of open wounds, initial assessment of compartment syndrome, and referral for orthopedic evaluation.

Billing Considerations

Document all findings and interventions to support the coding of the open wound and any associated injuries.

Coding Guidelines

Inclusion Criteria

Use S51.80 When
  • Follow official coding guidelines for open wounds, ensuring to document the specifics of the injury, including the location, type, and any associated complications

Exclusion Criteria

Do NOT use S51.80 When
  • Exclude codes for closed wounds or specific types of open wounds unless they are clearly documented

Related ICD-10 Codes

Related CPT Codes

20680CPT Code

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

Clinical Scenario

Used when joint aspiration is needed due to swelling from an open wound.

Documentation Requirements

Document the indication for aspiration and the findings.

Specialty Considerations

Orthopedic specialists may perform this procedure in conjunction with wound care.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of open wounds, improving the granularity of data for treatment and outcomes. S51.80 provides a general code for unspecified open wounds, but coders should strive for specificity when possible.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of open wounds, improving the granularity of data for treatment and outcomes. S51.80 provides a general code for unspecified open wounds, but coders should strive for specificity when possible.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of open wounds, improving the granularity of data for treatment and outcomes. S51.80 provides a general code for unspecified open wounds, but coders should 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 S51.80?

Document the mechanism of injury, the extent of the wound, any associated fractures, and the treatment provided. Include details about any complications that may arise.