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v1.0.0
ICD-10 Guide
ICD-10 CodesS31.1

S31.1

Billable

Open wound of abdominal wall without penetration into peritoneal cavity

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

Code Description

ICD-10 S31.1 is a billable code used to indicate a diagnosis of open wound of abdominal wall without penetration into peritoneal cavity.

Key Diagnostic Point:

An open wound of the abdominal wall without penetration into the peritoneal cavity refers to a traumatic injury that disrupts the skin and underlying tissues of the abdominal wall but does not extend into the peritoneal cavity. This type of injury can result from various mechanisms, including blunt trauma, penetrating trauma, or surgical procedures. Clinically, these wounds may present with varying degrees of tissue loss, contamination, and potential for infection. The management of such wounds often involves thorough cleaning, debridement, and sometimes surgical intervention to ensure proper healing and prevent complications. It is crucial to assess for associated injuries, particularly in cases of significant trauma, as abdominal wall injuries can be linked to pelvic injuries, lumbar spine trauma, or genitourinary injuries. Emergency surgical interventions may be necessary if there is concern for underlying organ damage or if the wound is extensive. Accurate coding of this condition is essential for appropriate treatment planning and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between open and closed wounds
  • Assessing the extent of tissue damage
  • Identifying associated injuries in trauma cases
  • Documenting the mechanism of injury accurately

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to document associated injuries
  • Misclassification of wound type (open vs. closed)
  • Lack of clarity on the extent of the wound

Specialty Focus

Medical Specialties

Trauma Surgery

Documentation Requirements

Detailed descriptions of the wound, mechanism of injury, and any surgical interventions performed.

Common Clinical Scenarios

Trauma patients presenting with abdominal wall injuries from accidents or assaults.

Billing Considerations

Ensure that all associated injuries are documented to support the complexity of care provided.

Emergency Medicine

Documentation Requirements

Thorough initial assessment notes, including vital signs, mechanism of injury, and any immediate interventions.

Common Clinical Scenarios

Patients with abdominal trauma presenting to the emergency department for evaluation.

Billing Considerations

Accurate coding is critical for trauma cases to ensure appropriate reimbursement and care continuity.

Coding Guidelines

Inclusion Criteria

Use S31.1 When
  • According to ICD
  • 10 guidelines, S31
  • 1 should be used when the wound is documented as open and does not penetrate the peritoneal cavity
  • Coders should ensure that the documentation supports the diagnosis and includes details about the wound's characteristics and any associated injuries

Exclusion Criteria

Do NOT use S31.1 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 an open abdominal wall wound without complications.

Documentation Requirements

Document the size and location of the wound, as well as the repair technique used.

Specialty Considerations

Trauma surgeons should ensure that all aspects of the wound repair are documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of abdominal wall injuries, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of abdominal wall injuries, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

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 difference between S31.1 and S31.0?

S31.1 refers to an open wound of the abdominal wall without penetration into the peritoneal cavity, while S31.0 indicates an open wound that does penetrate the peritoneal cavity, which involves more complex management and coding.