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v1.0.0
ICD-10 Guide
DiagnosesWound Dehiscence

Wound Dehiscence

ICD-10 Coding for Wound Dehiscence(T81.31XA, T81.321A)

PRIMARY SPECIALTYSurgery
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Wound Dehiscence?
Essential facts and insights about Wound Dehiscence

Key Clinical Considerations:

  • Erythema, swelling, and drainage at the surgical site
  • Ultrasound or CT scan may reveal separation of wound layers
  • Inspection may show partial or complete separation of wound edges

Clinical Information

Clinical Criteria & Documentation Requirements

  • Date of surgery and dehiscence occurrence
  • Description of wound appearance and any drainage
  • Assessment of underlying factors (e.g., infection, tension)

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for coding complications of surgical procedures.
  • Common errors include misclassifying the type of dehiscence or failing to document contributing factors.

Code Exclusions

Important Exclusions

  • Infection of the surgical site (T81.4)
  • Wound complications not related to surgical procedures

Related ICD-10 Codes

Primary Codes
T81.31
Disruption of surgical wound, not elsewhere classified
Ancillary Codes
O86.01
Differential Codes
L02.91
T81.31XA

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Surgery

Specialty Applications

  • Post-operative patients, especially those with risk factors like obesity or diabetes
  • Inpatient and outpatient surgical settings

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Include details of the surgical procedure, date of occurrence, and clinical findings.

Billing considerations?

Ensure accurate coding to reflect the complexity and any additional treatments required.