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ICD-10 Guide
ICD-10 CodesS31.105

S31.105

Billable

Unspecified open wound of abdominal wall, periumbilic region without penetration into peritoneal cavity

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/23/2025

Code Description

ICD-10 S31.105 is a billable code used to indicate a diagnosis of unspecified open wound of abdominal wall, periumbilic region without penetration into peritoneal cavity.

Key Diagnostic Point:

An unspecified open wound of the abdominal wall in the periumbilical region indicates a traumatic injury that has resulted in a break in the skin and underlying tissues, but does not extend into the peritoneal cavity. This type of injury can occur due to blunt or penetrating trauma, such as falls, motor vehicle accidents, or sharp object injuries. The periumbilical region is particularly vulnerable due to its anatomical location, and injuries here can lead to complications such as infection, hemorrhage, or herniation. Clinical assessment is crucial to determine the extent of the injury and to rule out any associated internal injuries, particularly to the gastrointestinal or genitourinary systems. Emergency surgical intervention may be required to manage the wound, especially if there is significant tissue damage or risk of infection. Proper documentation of the mechanism of injury, wound characteristics, and any associated injuries is essential for accurate coding and treatment planning.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in documentation of wound characteristics
  • Need to differentiate from other abdominal injuries
  • Potential for associated internal injuries
  • Variability in treatment approaches

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to specify the type of open wound
  • Lack of follow-up documentation on treatment outcomes
  • Inconsistent coding practices among providers

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Detailed description of the injury mechanism, wound assessment, and any interventions performed.

Common Clinical Scenarios

Patients presenting with abdominal trauma from accidents or falls, requiring immediate assessment and potential surgical intervention.

Billing Considerations

Ensure that all relevant details about the injury and treatment are documented to support the coding.

General Surgery

Documentation Requirements

Operative reports detailing the surgical approach, findings, and any complications encountered during the procedure.

Common Clinical Scenarios

Surgical repair of abdominal wall injuries, including exploration for potential internal injuries.

Billing Considerations

Accurate documentation of the surgical procedure and any associated findings is critical for proper coding.

Coding Guidelines

Inclusion Criteria

Use S31.105 When
  • According to ICD
  • 10 coding guidelines, this code should be used when the documentation specifies an open wound in the periumbilical region without penetration into the peritoneal cavity
  • Coders should ensure that the injury is not classified under other specific codes that indicate more severe or different types of wounds

Exclusion Criteria

Do NOT use S31.105 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

12001CPT Code

Simple repair of superficial wounds

Clinical Scenario

Used for the repair of the open wound in the periumbilical region.

Documentation Requirements

Document the size and depth of the wound, as well as the method of repair.

Specialty Considerations

Ensure that the procedure is linked to the diagnosis of the open wound.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of injuries, including open wounds. This code provides a clear classification for unspecified open wounds, which can help in tracking and managing trauma cases more effectively.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of injuries, including open wounds. This code provides a clear classification for unspecified open wounds, which can help in tracking and managing trauma cases more effectively.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of injuries, including open wounds. This code provides a clear classification for unspecified open wounds, which can help in tracking and managing trauma cases more effectively.

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 significance of specifying the wound as 'unspecified'?

Specifying the wound as 'unspecified' indicates that the exact nature of the wound is not documented, which can affect treatment decisions and coding accuracy. It is important for coders to seek clarification from the provider if possible.