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ICD-10 Coding for Surgical Wound Infection(T81.41X-, T81.42X-)

Complete ICD-10-CM coding and documentation guide for Surgical Wound Infection. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Postoperative Wound InfectionSurgical Site Infection (SSI)

Related ICD-10 Code Ranges

Complete code families applicable to Surgical Wound Infection

T81.4-Primary Range

Infections following a procedure

Primary range for coding infections that occur after surgical procedures.

Infections of obstetric surgical wounds

Used for infections following obstetric procedures, such as C-sections.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
T81.41X-Infection following a procedure, superficial incisionalUse when the infection is limited to the skin and subcutaneous tissue.
  • Purulent drainage and erythema within 5 cm of incision
T81.42X-Infection following a procedure, deep incisionalUse when the infection involves deeper tissues such as fascia or muscle.
  • Abscess extending to fascia/muscle confirmed by imaging

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for surgical wound infection

Essential facts and insights about Surgical Wound Infection

The ICD-10 code for surgical wound infection is T81.4-, with specific codes for different infection depths.

Primary ICD-10-CM Codes for surgical wound infection

Infection following a procedure, superficial incisional
Non-billable Code

Decision Criteria

clinical Criteria

  • Presence of purulent drainage and erythema limited to the skin and subcutaneous tissue.

Applicable To

  • Superficial incisional surgical site infection

Excludes

  • Deep incisional surgical site infection (T81.42X-)

Clinical Validation Requirements

  • Purulent drainage and erythema within 5 cm of incision

Code-Specific Risks

  • Ensure documentation specifies superficial involvement to avoid incorrect coding.

Coding Notes

  • Ensure the depth of infection is clearly documented to select the appropriate code.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Methicillin-resistant Staphylococcus aureus (MRSA) as the cause of diseases classified elsewhere

B95.62
Use to identify the organism causing the infection.

Methicillin-susceptible Staphylococcus aureus (MSSA) as the cause of diseases classified elsewhere

B95.61
Use to identify the organism causing the infection.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Infection following a procedure, deep incisional

T81.42X-
Involves deeper soft tissues such as fascia and muscle.

Infection following a procedure, superficial incisional

T81.41X-
Limited to skin and subcutaneous tissue.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Surgical Wound Infection to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code T81.41X-.

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Increases risk of audits., Financial: Potential for denied claims.

Mitigation Strategy

Use specific terms to describe infection., Include culture results and imaging findings.

Impact

Reimbursement: Incorrect coding can lead to reduced reimbursement., Compliance: May trigger audits due to lack of specificity., Data Quality: Impacts the accuracy of clinical data.

Mitigation Strategy

Query for specific depth and use the appropriate code.

Impact

Audits may focus on the specificity of surgical infection coding.

Mitigation Strategy

Ensure detailed documentation of infection characteristics.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Surgical Wound Infection, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Surgical Wound Infection

Use these documentation templates to ensure complete and accurate documentation for Surgical Wound Infection. These templates include all required elements for proper coding and billing.

Postoperative infection documentation

Specialty: General Surgery

Required Elements

  • Wound assessment
  • Infection linkage
  • Systemic signs

Example Documentation

Post-op day 7: 4 cm erythema around incision with fluctuance. Ultrasound reveals subfascial abscess. Cultures show MSSA.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Wound looks infected.
Good Documentation Example
3 cm erythema with purulent drainage; culture confirms MRSA.
Explanation
The good example provides specific measurements and culture results, enhancing clarity and accuracy.

Need help with ICD-10 coding for Surgical Wound Infection? Ask your questions below.

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