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ICD-10 Guide
ICD-10 CodesS31.605

S31.605

Billable

Unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavity

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

Code Description

ICD-10 S31.605 is a billable code used to indicate a diagnosis of unspecified open wound of abdominal wall, periumbilic region with penetration into peritoneal cavity.

Key Diagnostic Point:

The S31.605 code is used to classify an unspecified open wound located in the abdominal wall, specifically in the periumbilical region, that has penetrated into the peritoneal cavity. This type of injury is often the result of blunt or penetrating trauma, such as stab wounds or gunshot wounds, and can lead to significant complications, including peritonitis, hemorrhage, and organ damage. The periumbilical region is critical as it houses various vital structures, and injuries here can compromise the integrity of the abdominal cavity. Emergency surgical intervention is typically required to assess and repair any damage to internal organs, control bleeding, and prevent infection. The complexity of managing such wounds necessitates a multidisciplinary approach, often involving trauma surgeons, emergency medicine physicians, and critical care specialists. Accurate coding is essential for appropriate reimbursement and tracking of trauma cases, as well as for quality improvement initiatives in trauma care.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Variability in documentation quality and detail
  • Need for precise anatomical localization
  • Potential for multiple associated injuries
  • Complexity of surgical interventions required

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to specify the extent of the wound
  • Lack of operative notes detailing surgical interventions
  • Inconsistent coding of associated injuries

Specialty Focus

Medical Specialties

Trauma Surgery

Documentation Requirements

Detailed operative reports, imaging studies, and injury severity scores.

Common Clinical Scenarios

Management of stab wounds, gunshot wounds, and blunt abdominal trauma.

Billing Considerations

Accurate documentation of the mechanism of injury and any associated organ damage is crucial for coding.

Emergency Medicine

Documentation Requirements

Comprehensive patient assessment notes, including vital signs and initial management.

Common Clinical Scenarios

Initial evaluation and stabilization of trauma patients with abdominal injuries.

Billing Considerations

Timely documentation of the patient's condition and interventions performed is essential for accurate coding.

Coding Guidelines

Inclusion Criteria

Use S31.605 When
  • Follow official ICD
  • CM coding guidelines, ensuring accurate documentation of the injury's specifics, including the mechanism of injury and any surgical procedures performed

Exclusion Criteria

Do NOT use S31.605 When
  • Exclude codes for closed wounds or those without peritoneal involvement

Related ICD-10 Codes

Related CPT Codes

49000CPT Code

Exploratory laparotomy

Clinical Scenario

Used in cases of suspected abdominal organ injury.

Documentation Requirements

Operative report detailing findings and interventions.

Specialty Considerations

Trauma surgeons must document the extent of injury and any repairs performed.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of trauma cases, improving the granularity of data collected for research and quality improvement in trauma care.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of trauma cases, improving the granularity of data collected for research and quality improvement in trauma care.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of trauma cases, improving the granularity of data collected for research and quality improvement in trauma care.

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 penetration into the peritoneal cavity?

Specifying penetration into the peritoneal cavity is crucial as it indicates a higher severity of injury, necessitating more complex surgical interventions and impacting patient management and coding.