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ICD-10 Guide
ICD-10 CodesS31.839

S31.839

Billable

Unspecified open wound of anus

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

Code Description

ICD-10 S31.839 is a billable code used to indicate a diagnosis of unspecified open wound of anus.

Key Diagnostic Point:

An unspecified open wound of the anus refers to a traumatic injury that results in a break in the skin or mucous membrane at the anal region. This type of injury can occur due to various mechanisms, including blunt or penetrating trauma, surgical procedures, or accidents. The clinical presentation may include pain, bleeding, and potential infection, necessitating thorough evaluation and management. In cases of abdominal trauma, the presence of an open wound in the anal area may indicate more extensive pelvic or abdominal injuries, requiring a comprehensive assessment of the gastrointestinal and genitourinary systems. Emergency surgical interventions may be necessary to control bleeding, repair the wound, or address any underlying injuries to adjacent structures. The management of such wounds often involves a multidisciplinary approach, including surgical, urological, and gastroenterological specialties, to ensure optimal patient outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in documentation of the type and extent of the wound
  • Need for detailed descriptions of associated injuries
  • Potential for multiple coding scenarios based on trauma mechanisms
  • Differentiation from other anal conditions or injuries

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to document associated injuries or complications
  • Misclassification of the wound type (open vs. closed)
  • Lack of clarity in surgical intervention details

Specialty Focus

Medical Specialties

General Surgery

Documentation Requirements

Detailed operative notes, including the extent of the wound and any associated procedures.

Common Clinical Scenarios

Trauma cases requiring surgical intervention for anal wounds, including repair or debridement.

Billing Considerations

Ensure clear documentation of the mechanism of injury and any complications that arise during surgery.

Urology

Documentation Requirements

Comprehensive assessment of genitourinary injuries and their relation to anal trauma.

Common Clinical Scenarios

Cases involving pelvic fractures with associated anal injuries.

Billing Considerations

Document any urological assessments or interventions performed in conjunction with anal wound management.

Coding Guidelines

Inclusion Criteria

Use S31.839 When
  • According to ICD
  • 10 coding guidelines, S31
  • 839 should be used when the specific type of open wound is not documented
  • Coders must ensure that the documentation supports the use of this code and that it accurately reflects the patient's condition

Exclusion Criteria

Do NOT use S31.839 When
  • Exclusion criteria include specific types of anal injuries that are better classified under different codes

Related ICD-10 Codes

Related CPT Codes

45100CPT Code

Incision and drainage of abscess, anal

Clinical Scenario

Used when an anal abscess is present alongside an open wound.

Documentation Requirements

Document the size and location of the abscess and the procedure performed.

Specialty Considerations

General surgery or colorectal surgery may be involved in the procedure.

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 those of the anal region. S31.839 provides a way to capture unspecified open wounds, but it also emphasizes the need for thorough documentation to avoid ambiguity.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of injuries, including those of the anal region. S31.839 provides a way to capture unspecified open wounds, but it also emphasizes the need for thorough documentation to avoid ambiguity.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of injuries, including those of the anal region. S31.839 provides a way to capture unspecified open wounds, but it also emphasizes the need for thorough documentation to avoid ambiguity.

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 S31.839?

Document the mechanism of injury, the extent of the wound, any associated injuries, and the treatment provided. Clear and detailed notes will support the coding process.