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ICD-10 Guide
ICD-10 CodesS31.83

S31.83

Billable

Open wound of anus

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

Code Description

ICD-10 S31.83 is a billable code used to indicate a diagnosis of open wound of anus.

Key Diagnostic Point:

An open wound of the anus refers to a laceration or tear in the anal region, which can occur due to various traumatic events such as accidents, falls, or penetrating injuries. This type of injury may be associated with significant pain, bleeding, and potential complications such as infection or fecal incontinence. The severity of the wound can vary from superficial abrasions to deep lacerations that may involve the anal sphincter or surrounding tissues. In cases of abdominal trauma, pelvic injuries, or lumbar spine trauma, the presence of an open wound of the anus may indicate a more extensive injury pattern, necessitating thorough evaluation and management. Emergency surgical interventions may be required to repair the wound, control bleeding, and prevent infection. Proper assessment and documentation of the injury's extent, associated injuries, and the patient's overall condition are crucial for accurate coding and treatment planning.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in injury severity and associated complications
  • Need for detailed documentation of the mechanism of injury
  • Potential for co-existing injuries in the pelvic region
  • Variations in surgical intervention requirements

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to document associated injuries
  • Incorrect coding of the severity of the wound
  • Lack of clarity in surgical intervention details

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Detailed account of the injury mechanism, patient assessment, and treatment provided.

Common Clinical Scenarios

Trauma cases involving falls, motor vehicle accidents, or penetrating injuries.

Billing Considerations

Timely documentation is critical for accurate coding and billing, especially in emergency settings.

General Surgery

Documentation Requirements

Operative reports detailing the surgical procedure, extent of the wound, and any complications.

Common Clinical Scenarios

Surgical repair of anal lacerations or wounds following trauma.

Billing Considerations

Documentation must clearly outline the surgical approach and any additional procedures performed.

Coding Guidelines

Inclusion Criteria

Use S31.83 When
  • According to ICD
  • 10 guidelines, S31
  • 83 should be used when there is a documented open wound of the anus
  • Coders must ensure that the injury is not part of a more extensive condition that would require a different code

Exclusion Criteria

Do NOT use S31.83 When
  • Exclusions include wounds that are not open or are part of a surgical procedure

Related ICD-10 Codes

Related CPT Codes

45100CPT Code

Incision and drainage of abscess, anal or rectal

Clinical Scenario

Used when an abscess develops from an open wound of the anus.

Documentation Requirements

Operative report detailing the procedure and indication.

Specialty Considerations

General surgery documentation must include the extent of the wound and any complications.

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 of the anus, which enhances the ability to capture the complexity of trauma cases and improves data accuracy for healthcare providers.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of injuries, including open wounds of the anus, which enhances the ability to capture the complexity of trauma cases and improves data accuracy for healthcare providers.

Reimbursement & Billing Impact

reimbursement.

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 primary documentation needed for coding S31.83?

The primary documentation needed includes a detailed description of the injury, the mechanism of injury, any associated injuries, and the treatment provided, especially if surgical intervention is performed.