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ICD-10 Coding for Enterovesical Fistula(N32.1)

Complete ICD-10-CM coding and documentation guide for Enterovesical Fistula. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Colovesical FistulaVesicointestinal FistulaIleovesical Fistula

Related ICD-10 Code Ranges

Complete code families applicable to Enterovesical Fistula

N30-N39Primary Range

Other diseases of the urinary system

This range includes codes for conditions affecting the urinary system, including vesicointestinal fistulas.

Noninfective enteritis and colitis

This range includes codes for underlying conditions like Crohn's disease that may cause enterovesical fistulas.

Key Information: ICD-10 code for enterovesical fistula

Essential facts and insights about Enterovesical Fistula

The ICD-10 code for enterovesical fistula is N32.1, covering vesicointestinal fistulas.

Primary ICD-10-CM Code for enterovesical fistula

Vesicointestinal fistula
Billable Code

Decision Criteria

clinical Criteria

  • CT scan shows air in bladder without prior instrumentation.

documentation Criteria

  • Explicit mention of enterovesical fistula in medical records.

Applicable To

  • Colovesical fistula
  • Enterovesical fistula
  • Vesicorectal fistula
  • Ileovesical fistula

Excludes

  • Rectovaginal fistula (N82.3)
  • Rectourethral fistula (N36.0)

Clinical Validation Requirements

  • CT scan showing air in the bladder
  • Cystoscopy findings of bullous edema
  • Urine culture positive for E. coli or Klebsiella

Code-Specific Risks

  • Confusion with rectal fistulas
  • Omission of organism code for associated UTI

Coding Notes

  • Ensure documentation specifies the type of fistula and confirms with imaging.

Ancillary Codes

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

Diverticulitis of large intestine with perforation and abscess without bleeding

K57.32
Use when diverticulitis is the underlying cause of the fistula.

Crohn's disease, unspecified, without complications

K50.90
Use when Crohn's disease is the underlying cause of the fistula.

Differential Codes

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

Rectovaginal fistula

N82.3
Presence of vaginal fluid leakage differentiates it from enterovesical fistula.

Rectourethral fistula

N36.0
Gas or feces in the urethra differentiates it from enterovesical fistula.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Enterovesical Fistula to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code N32.1.

Impact

Clinical: Inaccurate treatment plans., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.

Mitigation Strategy

Always include organism code when UTI is present., Cross-check lab results with documentation.

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Misclassification can result in compliance issues., Data Quality: Inaccurate data entry affects patient records.

Mitigation Strategy

Ensure the documentation specifies involvement of the bladder.

Impact

Inaccurate or incomplete documentation of fistula type and underlying conditions.

Mitigation Strategy

Implement thorough documentation reviews and training.

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 Enterovesical Fistula, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Enterovesical Fistula

Use these documentation templates to ensure complete and accurate documentation for Enterovesical Fistula. These templates include all required elements for proper coding and billing.

Surgical Repair of Enterovesical Fistula

Specialty: Surgery

Required Elements

  • History of present illness
  • Imaging findings
  • Surgical plan
  • Postoperative care

Example Documentation

82M with 6-month history of pneumaturia and recurrent E. coli UTIs. CT abdomen/pelvis with oral contrast demonstrates: 3cm fistulous connection between sigmoid diverticulum and bladder dome. Plan: Open sigmoid resection with primary anastomosis + fistula repair.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Bladder inflammation noted.
Good Documentation Example
CT shows 4cm fistulous tract between sigmoid colon and bladder dome with intramural gas.
Explanation
The good example provides specific imaging findings and anatomical details.

Need help with ICD-10 coding for Enterovesical Fistula? Ask your questions below.

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